Home / 187,174.86-258,319.11-102,304.68

Finding the Fourth Proportional to 187,174.86, 258,319.11 and 102,304.68

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Solution

The fourth proportional to 187,174.86, 258,319.11 and 102,304.68 is: 141,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,174.86 : 258,319.11 = 102,304.68 : x
  2. Step 2: Convert to fraction form
    187,174.86/258,319.11 = 102,304.68/x
  3. Step 3: Cross multiply
    187,174.86x = 258,319.11 × 102,304.68
  4. Step 4: Simplify right side
    187,174.86x = 26,427,253,886.43
  5. Step 5: Solve for x
    x = 26,427,253,886.43/187,174.86
  6. Step 6: Final answer
    x = 141,190.19

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1.5x scale

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.