Home / 129,757.14-194,566.34-66,551.48

Finding the Fourth Proportional to 129,757.14, 194,566.34 and 66,551.48

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Solution

The fourth proportional to 129,757.14, 194,566.34 and 66,551.48 is: 99,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,757.14 : 194,566.34 = 66,551.48 : x
  2. Step 2: Convert to fraction form
    129,757.14/194,566.34 = 66,551.48/x
  3. Step 3: Cross multiply
    129,757.14x = 194,566.34 × 66,551.48
  4. Step 4: Simplify right side
    129,757.14x = 12,948,677,885.18
  5. Step 5: Solve for x
    x = 12,948,677,885.18/129,757.14
  6. Step 6: Final answer
    x = 99,791.64

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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.