Home / 187,915.42-281,843.11-54,764.52

Finding the Fourth Proportional to 187,915.42, 281,843.11 and 54,764.52

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Solution

The fourth proportional to 187,915.42, 281,843.11 and 54,764.52 is: 82,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,915.42 : 281,843.11 = 54,764.52 : x
  2. Step 2: Convert to fraction form
    187,915.42/281,843.11 = 54,764.52/x
  3. Step 3: Cross multiply
    187,915.42x = 281,843.11 × 54,764.52
  4. Step 4: Simplify right side
    187,915.42x = 15,435,002,634.46
  5. Step 5: Solve for x
    x = 15,435,002,634.46/187,915.42
  6. Step 6: Final answer
    x = 82,138.03

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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.