Home / 146,997.40-220,496.10-126,002.20

Finding the Fourth Proportional to 146,997.40, 220,496.10 and 126,002.20

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Solution

The fourth proportional to 146,997.40, 220,496.10 and 126,002.20 is: 189,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.40 : 220,496.10 = 126,002.20 : x
  2. Step 2: Convert to fraction form
    146,997.40/220,496.10 = 126,002.20/x
  3. Step 3: Cross multiply
    146,997.40x = 220,496.10 × 126,002.20
  4. Step 4: Simplify right side
    146,997.40x = 27,782,993,691.42
  5. Step 5: Solve for x
    x = 27,782,993,691.42/146,997.40
  6. Step 6: Final answer
    x = 189,003.30

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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.