Home / 129,626.40-194,439.71-36,132.15

Finding the Fourth Proportional to 129,626.40, 194,439.71 and 36,132.15

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Solution

The fourth proportional to 129,626.40, 194,439.71 and 36,132.15 is: 54,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.40 : 194,439.71 = 36,132.15 : x
  2. Step 2: Convert to fraction form
    129,626.40/194,439.71 = 36,132.15/x
  3. Step 3: Cross multiply
    129,626.40x = 194,439.71 × 36,132.15
  4. Step 4: Simplify right side
    129,626.40x = 7,025,524,858.01
  5. Step 5: Solve for x
    x = 7,025,524,858.01/129,626.40
  6. Step 6: Final answer
    x = 54,198.26

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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.