Home / 140,724.15-194,193.50-77,060.85

Finding the Fourth Proportional to 140,724.15, 194,193.50 and 77,060.85

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Solution

The fourth proportional to 140,724.15, 194,193.50 and 77,060.85 is: 106,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,724.15 : 194,193.50 = 77,060.85 : x
  2. Step 2: Convert to fraction form
    140,724.15/194,193.50 = 77,060.85/x
  3. Step 3: Cross multiply
    140,724.15x = 194,193.50 × 77,060.85
  4. Step 4: Simplify right side
    140,724.15x = 14,964,715,789.17
  5. Step 5: Solve for x
    x = 14,964,715,789.17/140,724.15
  6. Step 6: Final answer
    x = 106,340.78

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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.