Home / 187,761.30-281,612.52-61,400.50

Finding the Fourth Proportional to 187,761.30, 281,612.52 and 61,400.50

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Solution

The fourth proportional to 187,761.30, 281,612.52 and 61,400.50 is: 92,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,761.30 : 281,612.52 = 61,400.50 : x
  2. Step 2: Convert to fraction form
    187,761.30/281,612.52 = 61,400.50/x
  3. Step 3: Cross multiply
    187,761.30x = 281,612.52 × 61,400.50
  4. Step 4: Simplify right side
    187,761.30x = 17,291,149,534.26
  5. Step 5: Solve for x
    x = 17,291,149,534.26/187,761.30
  6. Step 6: Final answer
    x = 92,091.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.