Home / 138,083.16-207,160.38-63,167.52

Finding the Fourth Proportional to 138,083.16, 207,160.38 and 63,167.52

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Solution

The fourth proportional to 138,083.16, 207,160.38 and 63,167.52 is: 94,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,083.16 : 207,160.38 = 63,167.52 : x
  2. Step 2: Convert to fraction form
    138,083.16/207,160.38 = 63,167.52/x
  3. Step 3: Cross multiply
    138,083.16x = 207,160.38 × 63,167.52
  4. Step 4: Simplify right side
    138,083.16x = 13,085,807,446.86
  5. Step 5: Solve for x
    x = 13,085,807,446.86/138,083.16
  6. Step 6: Final answer
    x = 94,767.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.