Home / 129,606.20-194,385.30-36,092.60

Finding the Fourth Proportional to 129,606.20, 194,385.30 and 36,092.60

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Solution

The fourth proportional to 129,606.20, 194,385.30 and 36,092.60 is: 54,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,606.20 : 194,385.30 = 36,092.60 : x
  2. Step 2: Convert to fraction form
    129,606.20/194,385.30 = 36,092.60/x
  3. Step 3: Cross multiply
    129,606.20x = 194,385.30 × 36,092.60
  4. Step 4: Simplify right side
    129,606.20x = 7,015,870,878.78
  5. Step 5: Solve for x
    x = 7,015,870,878.78/129,606.20
  6. Step 6: Final answer
    x = 54,132.22

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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.