Home / 140,793.15-194,308.50-80,372.88

Finding the Fourth Proportional to 140,793.15, 194,308.50 and 80,372.88

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Solution

The fourth proportional to 140,793.15, 194,308.50 and 80,372.88 is: 110,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,793.15 : 194,308.50 = 80,372.88 : x
  2. Step 2: Convert to fraction form
    140,793.15/194,308.50 = 80,372.88/x
  3. Step 3: Cross multiply
    140,793.15x = 194,308.50 × 80,372.88
  4. Step 4: Simplify right side
    140,793.15x = 15,617,133,753.48
  5. Step 5: Solve for x
    x = 15,617,133,753.48/140,793.15
  6. Step 6: Final answer
    x = 110,922.54

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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.