Home / 129,736.08-194,630.45-54,856.04

Finding the Fourth Proportional to 129,736.08, 194,630.45 and 54,856.04

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Solution

The fourth proportional to 129,736.08, 194,630.45 and 54,856.04 is: 82,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.08 : 194,630.45 = 54,856.04 : x
  2. Step 2: Convert to fraction form
    129,736.08/194,630.45 = 54,856.04/x
  3. Step 3: Cross multiply
    129,736.08x = 194,630.45 × 54,856.04
  4. Step 4: Simplify right side
    129,736.08x = 10,676,654,502.99
  5. Step 5: Solve for x
    x = 10,676,654,502.99/129,736.08
  6. Step 6: Final answer
    x = 82,295.18

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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.