If you dream of a marriage proposal it means that some situation in your personal life will turn to better in a rather sudden and surprising manner. This dream can also point to a real life desire of being married if you are single.
If you are getting married to a stranger means that you are on the same frequency in a sense with many of your friends. This dream simply signifies that you have a good company of friends that are able to understand your worries and issues.
If you are getting married to a person that you know indicates that they will become closer to you but not necessarily in a romantic manner.
If you dream that you are getting married to your ex, it means that you have learned a lot from the past relationship and you are not likely to make the same mistakes again. Sometimes this dream can indicate you are concerned of your current relationship becoming like the failed one.
Sometimes a dream of getting married can indicate that you are on cross road in your life. In other words you are quite aware that you need to make some tough choices and that you would not be able to make everyone happy. Rather, it is a matter of carefully balancing your current and your future actions.
If you arrange a marriage for another person in the dream it means that you will be asked for help in real life. The help asked will be of material nature but you would hesitate whether to give it or not. Be careful of scams and false promises made by the other party.