Home / 282,336.97-389,513.89-161,413.28

Finding the Fourth Proportional to 282,336.97, 389,513.89 and 161,413.28

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Solution

The fourth proportional to 282,336.97, 389,513.89 and 161,413.28 is: 222,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,336.97 : 389,513.89 = 161,413.28 : x
  2. Step 2: Convert to fraction form
    282,336.97/389,513.89 = 161,413.28/x
  3. Step 3: Cross multiply
    282,336.97x = 389,513.89 × 161,413.28
  4. Step 4: Simplify right side
    282,336.97x = 62,872,715,160.71
  5. Step 5: Solve for x
    x = 62,872,715,160.71/282,336.97
  6. Step 6: Final answer
    x = 222,686.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.