Home / 207,350.20-311,034.18-72,427.96

Finding the Fourth Proportional to 207,350.20, 311,034.18 and 72,427.96

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Solution

The fourth proportional to 207,350.20, 311,034.18 and 72,427.96 is: 108,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,350.20 : 311,034.18 = 72,427.96 : x
  2. Step 2: Convert to fraction form
    207,350.20/311,034.18 = 72,427.96/x
  3. Step 3: Cross multiply
    207,350.20x = 311,034.18 × 72,427.96
  4. Step 4: Simplify right side
    207,350.20x = 22,527,571,147.67
  5. Step 5: Solve for x
    x = 22,527,571,147.67/207,350.20
  6. Step 6: Final answer
    x = 108,645.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.