Home / 159,917.91-220,685.18-88,296.41

Finding the Fourth Proportional to 159,917.91, 220,685.18 and 88,296.41

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Solution

The fourth proportional to 159,917.91, 220,685.18 and 88,296.41 is: 121,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,917.91 : 220,685.18 = 88,296.41 : x
  2. Step 2: Convert to fraction form
    159,917.91/220,685.18 = 88,296.41/x
  3. Step 3: Cross multiply
    159,917.91x = 220,685.18 × 88,296.41
  4. Step 4: Simplify right side
    159,917.91x = 19,485,707,589.30
  5. Step 5: Solve for x
    x = 19,485,707,589.30/159,917.91
  6. Step 6: Final answer
    x = 121,848.19

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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.