Home / 129,001.50-193,452.54-50,105.34

Finding the Fourth Proportional to 129,001.50, 193,452.54 and 50,105.34

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Solution

The fourth proportional to 129,001.50, 193,452.54 and 50,105.34 is: 75,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,001.50 : 193,452.54 = 50,105.34 : x
  2. Step 2: Convert to fraction form
    129,001.50/193,452.54 = 50,105.34/x
  3. Step 3: Cross multiply
    129,001.50x = 193,452.54 × 50,105.34
  4. Step 4: Simplify right side
    129,001.50x = 9,693,005,290.56
  5. Step 5: Solve for x
    x = 9,693,005,290.56/129,001.50
  6. Step 6: Final answer
    x = 75,138.70

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1.5x scale

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.