Home / 220,144.20-329,997.60-107,732.40

Finding the Fourth Proportional to 220,144.20, 329,997.60 and 107,732.40

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Solution

The fourth proportional to 220,144.20, 329,997.60 and 107,732.40 is: 161,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,144.20 : 329,997.60 = 107,732.40 : x
  2. Step 2: Convert to fraction form
    220,144.20/329,997.60 = 107,732.40/x
  3. Step 3: Cross multiply
    220,144.20x = 329,997.60 × 107,732.40
  4. Step 4: Simplify right side
    220,144.20x = 35,551,433,442.24
  5. Step 5: Solve for x
    x = 35,551,433,442.24/220,144.20
  6. Step 6: Final answer
    x = 161,491.57

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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.