Home / 129,686.17-194,546.27-50,790.14

Finding the Fourth Proportional to 129,686.17, 194,546.27 and 50,790.14

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Solution

The fourth proportional to 129,686.17, 194,546.27 and 50,790.14 is: 76,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,686.17 : 194,546.27 = 50,790.14 : x
  2. Step 2: Convert to fraction form
    129,686.17/194,546.27 = 50,790.14/x
  3. Step 3: Cross multiply
    129,686.17x = 194,546.27 × 50,790.14
  4. Step 4: Simplify right side
    129,686.17x = 9,881,032,982.20
  5. Step 5: Solve for x
    x = 9,881,032,982.20/129,686.17
  6. Step 6: Final answer
    x = 76,191.88

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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.