Home / 129,948.72-194,920.20-36,452.04

Finding the Fourth Proportional to 129,948.72, 194,920.20 and 36,452.04

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Solution

The fourth proportional to 129,948.72, 194,920.20 and 36,452.04 is: 54,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948.72 : 194,920.20 = 36,452.04 : x
  2. Step 2: Convert to fraction form
    129,948.72/194,920.20 = 36,452.04/x
  3. Step 3: Cross multiply
    129,948.72x = 194,920.20 × 36,452.04
  4. Step 4: Simplify right side
    129,948.72x = 7,105,238,927.21
  5. Step 5: Solve for x
    x = 7,105,238,927.21/129,948.72
  6. Step 6: Final answer
    x = 54,677.25

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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.