Home / 159,869.94-220,619.46-88,249.92

Finding the Fourth Proportional to 159,869.94, 220,619.46 and 88,249.92

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Solution

The fourth proportional to 159,869.94, 220,619.46 and 88,249.92 is: 121,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,869.94 : 220,619.46 = 88,249.92 : x
  2. Step 2: Convert to fraction form
    159,869.94/220,619.46 = 88,249.92/x
  3. Step 3: Cross multiply
    159,869.94x = 220,619.46 × 88,249.92
  4. Step 4: Simplify right side
    159,869.94x = 19,469,649,695.44
  5. Step 5: Solve for x
    x = 19,469,649,695.44/159,869.94
  6. Step 6: Final answer
    x = 121,784.31

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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.