Home / 187,576.48-258,850.38-102,691.72

Finding the Fourth Proportional to 187,576.48, 258,850.38 and 102,691.72

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Solution

The fourth proportional to 187,576.48, 258,850.38 and 102,691.72 is: 141,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,576.48 : 258,850.38 = 102,691.72 : x
  2. Step 2: Convert to fraction form
    187,576.48/258,850.38 = 102,691.72/x
  3. Step 3: Cross multiply
    187,576.48x = 258,850.38 × 102,691.72
  4. Step 4: Simplify right side
    187,576.48x = 26,581,790,744.85
  5. Step 5: Solve for x
    x = 26,581,790,744.85/187,576.48
  6. Step 6: Final answer
    x = 141,711.75

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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.