Home / 198,520.75-273,958.68-109,096.75

Finding the Fourth Proportional to 198,520.75, 273,958.68 and 109,096.75

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Solution

The fourth proportional to 198,520.75, 273,958.68 and 109,096.75 is: 150,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,520.75 : 273,958.68 = 109,096.75 : x
  2. Step 2: Convert to fraction form
    198,520.75/273,958.68 = 109,096.75/x
  3. Step 3: Cross multiply
    198,520.75x = 273,958.68 × 109,096.75
  4. Step 4: Simplify right side
    198,520.75x = 29,888,001,622.29
  5. Step 5: Solve for x
    x = 29,888,001,622.29/198,520.75
  6. Step 6: Final answer
    x = 150,553.54

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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.