Home / 187,531.92-258,794.32-102,654.32

Finding the Fourth Proportional to 187,531.92, 258,794.32 and 102,654.32

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Solution

The fourth proportional to 187,531.92, 258,794.32 and 102,654.32 is: 141,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531.92 : 258,794.32 = 102,654.32 : x
  2. Step 2: Convert to fraction form
    187,531.92/258,794.32 = 102,654.32/x
  3. Step 3: Cross multiply
    187,531.92x = 258,794.32 × 102,654.32
  4. Step 4: Simplify right side
    187,531.92x = 26,566,354,939.46
  5. Step 5: Solve for x
    x = 26,566,354,939.46/187,531.92
  6. Step 6: Final answer
    x = 141,663.11

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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.