Home / 187,042.60-281,255.10-156,629.80

Finding the Fourth Proportional to 187,042.60, 281,255.10 and 156,629.80

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Solution

The fourth proportional to 187,042.60, 281,255.10 and 156,629.80 is: 235,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,042.60 : 281,255.10 = 156,629.80 : x
  2. Step 2: Convert to fraction form
    187,042.60/281,255.10 = 156,629.80/x
  3. Step 3: Cross multiply
    187,042.60x = 281,255.10 × 156,629.80
  4. Step 4: Simplify right side
    187,042.60x = 44,052,930,061.98
  5. Step 5: Solve for x
    x = 44,052,930,061.98/187,042.60
  6. Step 6: Final answer
    x = 235,523.51

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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.