Home / 129,658.14-194,563.74-54,773.43

Finding the Fourth Proportional to 129,658.14, 194,563.74 and 54,773.43

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Solution

The fourth proportional to 129,658.14, 194,563.74 and 54,773.43 is: 82,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,658.14 : 194,563.74 = 54,773.43 : x
  2. Step 2: Convert to fraction form
    129,658.14/194,563.74 = 54,773.43/x
  3. Step 3: Cross multiply
    129,658.14x = 194,563.74 × 54,773.43
  4. Step 4: Simplify right side
    129,658.14x = 10,656,923,393.43
  5. Step 5: Solve for x
    x = 10,656,923,393.43/129,658.14
  6. Step 6: Final answer
    x = 82,192.47

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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.