Home / 187,355.90-258,557.33-102,472.96

Finding the Fourth Proportional to 187,355.90, 258,557.33 and 102,472.96

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Solution

The fourth proportional to 187,355.90, 258,557.33 and 102,472.96 is: 141,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,355.90 : 258,557.33 = 102,472.96 : x
  2. Step 2: Convert to fraction form
    187,355.90/258,557.33 = 102,472.96/x
  3. Step 3: Cross multiply
    187,355.90x = 258,557.33 × 102,472.96
  4. Step 4: Simplify right side
    187,355.90x = 26,495,134,934.80
  5. Step 5: Solve for x
    x = 26,495,134,934.80/187,355.90
  6. Step 6: Final answer
    x = 141,416.07

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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.