Home / 159,591.24-220,234.56-91,619.28

Finding the Fourth Proportional to 159,591.24, 220,234.56 and 91,619.28

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Solution

The fourth proportional to 159,591.24, 220,234.56 and 91,619.28 is: 126,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,591.24 : 220,234.56 = 91,619.28 : x
  2. Step 2: Convert to fraction form
    159,591.24/220,234.56 = 91,619.28/x
  3. Step 3: Cross multiply
    159,591.24x = 220,234.56 × 91,619.28
  4. Step 4: Simplify right side
    159,591.24x = 20,177,731,818.32
  5. Step 5: Solve for x
    x = 20,177,731,818.32/159,591.24
  6. Step 6: Final answer
    x = 126,433.83

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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.