Home / 159,645.13-220,306.94-88,025.33

Finding the Fourth Proportional to 159,645.13, 220,306.94 and 88,025.33

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Solution

The fourth proportional to 159,645.13, 220,306.94 and 88,025.33 is: 121,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,645.13 : 220,306.94 = 88,025.33 : x
  2. Step 2: Convert to fraction form
    159,645.13/220,306.94 = 88,025.33/x
  3. Step 3: Cross multiply
    159,645.13x = 220,306.94 × 88,025.33
  4. Step 4: Simplify right side
    159,645.13x = 19,392,591,535.53
  5. Step 5: Solve for x
    x = 19,392,591,535.53/159,645.13
  6. Step 6: Final answer
    x = 121,473.12

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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.