Home / 187,452.39-258,684.27-102,569.43

Finding the Fourth Proportional to 187,452.39, 258,684.27 and 102,569.43

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Solution

The fourth proportional to 187,452.39, 258,684.27 and 102,569.43 is: 141,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,452.39 : 258,684.27 = 102,569.43 : x
  2. Step 2: Convert to fraction form
    187,452.39/258,684.27 = 102,569.43/x
  3. Step 3: Cross multiply
    187,452.39x = 258,684.27 × 102,569.43
  4. Step 4: Simplify right side
    187,452.39x = 26,533,098,123.87
  5. Step 5: Solve for x
    x = 26,533,098,123.87/187,452.39
  6. Step 6: Final answer
    x = 141,545.80

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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.