Home / 204,727.38-282,584.62-129,326.10

Finding the Fourth Proportional to 204,727.38, 282,584.62 and 129,326.10

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Solution

The fourth proportional to 204,727.38, 282,584.62 and 129,326.10 is: 178,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,727.38 : 282,584.62 = 129,326.10 : x
  2. Step 2: Convert to fraction form
    204,727.38/282,584.62 = 129,326.10/x
  3. Step 3: Cross multiply
    204,727.38x = 282,584.62 × 129,326.10
  4. Step 4: Simplify right side
    204,727.38x = 36,545,566,824.58
  5. Step 5: Solve for x
    x = 36,545,566,824.58/204,727.38
  6. Step 6: Final answer
    x = 178,508.45

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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.