Home / 187,531.88-258,794.28-102,654.32

Finding the Fourth Proportional to 187,531.88, 258,794.28 and 102,654.32

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Solution

The fourth proportional to 187,531.88, 258,794.28 and 102,654.32 is: 141,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531.88 : 258,794.28 = 102,654.32 : x
  2. Step 2: Convert to fraction form
    187,531.88/258,794.28 = 102,654.32/x
  3. Step 3: Cross multiply
    187,531.88x = 258,794.28 × 102,654.32
  4. Step 4: Simplify right side
    187,531.88x = 26,566,350,833.29
  5. Step 5: Solve for x
    x = 26,566,350,833.29/187,531.88
  6. Step 6: Final answer
    x = 141,663.12

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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.