Home / 198,252.78-273,589.11-107,608.76

Finding the Fourth Proportional to 198,252.78, 273,589.11 and 107,608.76

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Solution

The fourth proportional to 198,252.78, 273,589.11 and 107,608.76 is: 148,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,252.78 : 273,589.11 = 107,608.76 : x
  2. Step 2: Convert to fraction form
    198,252.78/273,589.11 = 107,608.76/x
  3. Step 3: Cross multiply
    198,252.78x = 273,589.11 × 107,608.76
  4. Step 4: Simplify right side
    198,252.78x = 29,440,585,157.04
  5. Step 5: Solve for x
    x = 29,440,585,157.04/198,252.78
  6. Step 6: Final answer
    x = 148,500.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.