Home / 159,806.32-220,545.19-91,847.02

Finding the Fourth Proportional to 159,806.32, 220,545.19 and 91,847.02

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Solution

The fourth proportional to 159,806.32, 220,545.19 and 91,847.02 is: 126,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,806.32 : 220,545.19 = 91,847.02 : x
  2. Step 2: Convert to fraction form
    159,806.32/220,545.19 = 91,847.02/x
  3. Step 3: Cross multiply
    159,806.32x = 220,545.19 × 91,847.02
  4. Step 4: Simplify right side
    159,806.32x = 20,256,417,695.85
  5. Step 5: Solve for x
    x = 20,256,417,695.85/159,806.32
  6. Step 6: Final answer
    x = 126,756.05

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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.