Home / 129,498.17-194,246.96-40,759.43

Finding the Fourth Proportional to 129,498.17, 194,246.96 and 40,759.43

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Solution

The fourth proportional to 129,498.17, 194,246.96 and 40,759.43 is: 61,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,498.17 : 194,246.96 = 40,759.43 : x
  2. Step 2: Convert to fraction form
    129,498.17/194,246.96 = 40,759.43/x
  3. Step 3: Cross multiply
    129,498.17x = 194,246.96 × 40,759.43
  4. Step 4: Simplify right side
    129,498.17x = 7,917,394,193.80
  5. Step 5: Solve for x
    x = 7,917,394,193.80/129,498.17
  6. Step 6: Final answer
    x = 61,139.05

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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.