Home / 159,944.24-220,717.32-88,320.56

Finding the Fourth Proportional to 159,944.24, 220,717.32 and 88,320.56

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Solution

The fourth proportional to 159,944.24, 220,717.32 and 88,320.56 is: 121,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,944.24 : 220,717.32 = 88,320.56 : x
  2. Step 2: Convert to fraction form
    159,944.24/220,717.32 = 88,320.56/x
  3. Step 3: Cross multiply
    159,944.24x = 220,717.32 × 88,320.56
  4. Step 4: Simplify right side
    159,944.24x = 19,493,877,304.10
  5. Step 5: Solve for x
    x = 19,493,877,304.10/159,944.24
  6. Step 6: Final answer
    x = 121,879.21

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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.