Home / 187,776.78-281,711.37-54,658.26

Finding the Fourth Proportional to 187,776.78, 281,711.37 and 54,658.26

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Solution

The fourth proportional to 187,776.78, 281,711.37 and 54,658.26 is: 82,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776.78 : 281,711.37 = 54,658.26 : x
  2. Step 2: Convert to fraction form
    187,776.78/281,711.37 = 54,658.26/x
  3. Step 3: Cross multiply
    187,776.78x = 281,711.37 × 54,658.26
  4. Step 4: Simplify right side
    187,776.78x = 15,397,853,306.42
  5. Step 5: Solve for x
    x = 15,397,853,306.42/187,776.78
  6. Step 6: Final answer
    x = 82,000.84

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1.5x scale

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.