Home / 187,038.60-281,249.10-156,625.80

Finding the Fourth Proportional to 187,038.60, 281,249.10 and 156,625.80

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Solution

The fourth proportional to 187,038.60, 281,249.10 and 156,625.80 is: 235,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,038.60 : 281,249.10 = 156,625.80 : x
  2. Step 2: Convert to fraction form
    187,038.60/281,249.10 = 156,625.80/x
  3. Step 3: Cross multiply
    187,038.60x = 281,249.10 × 156,625.80
  4. Step 4: Simplify right side
    187,038.60x = 44,050,865,286.78
  5. Step 5: Solve for x
    x = 44,050,865,286.78/187,038.60
  6. Step 6: Final answer
    x = 235,517.51

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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.