Home / 238,545.38-357,551.42-103,453.47

Finding the Fourth Proportional to 238,545.38, 357,551.42 and 103,453.47

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Solution

The fourth proportional to 238,545.38, 357,551.42 and 103,453.47 is: 155,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,545.38 : 357,551.42 = 103,453.47 : x
  2. Step 2: Convert to fraction form
    238,545.38/357,551.42 = 103,453.47/x
  3. Step 3: Cross multiply
    238,545.38x = 357,551.42 × 103,453.47
  4. Step 4: Simplify right side
    238,545.38x = 36,989,934,585.16
  5. Step 5: Solve for x
    x = 36,989,934,585.16/238,545.38
  6. Step 6: Final answer
    x = 155,064.56

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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.