Home / 140,213.68-193,499.76-79,793.44

Finding the Fourth Proportional to 140,213.68, 193,499.76 and 79,793.44

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Solution

The fourth proportional to 140,213.68, 193,499.76 and 79,793.44 is: 110,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.68 : 193,499.76 = 79,793.44 : x
  2. Step 2: Convert to fraction form
    140,213.68/193,499.76 = 79,793.44/x
  3. Step 3: Cross multiply
    140,213.68x = 193,499.76 × 79,793.44
  4. Step 4: Simplify right side
    140,213.68x = 15,440,011,489.57
  5. Step 5: Solve for x
    x = 15,440,011,489.57/140,213.68
  6. Step 6: Final answer
    x = 110,117.73

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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.