Home / 198,351.53-273,724.25-107,706.76

Finding the Fourth Proportional to 198,351.53, 273,724.25 and 107,706.76

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Solution

The fourth proportional to 198,351.53, 273,724.25 and 107,706.76 is: 148,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,351.53 : 273,724.25 = 107,706.76 : x
  2. Step 2: Convert to fraction form
    198,351.53/273,724.25 = 107,706.76/x
  3. Step 3: Cross multiply
    198,351.53x = 273,724.25 × 107,706.76
  4. Step 4: Simplify right side
    198,351.53x = 29,481,950,193.78
  5. Step 5: Solve for x
    x = 29,481,950,193.78/198,351.53
  6. Step 6: Final answer
    x = 148,634.85

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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.