Home / 159,944.72-220,723.78-88,329.60

Finding the Fourth Proportional to 159,944.72, 220,723.78 and 88,329.60

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Solution

The fourth proportional to 159,944.72, 220,723.78 and 88,329.60 is: 121,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,944.72 : 220,723.78 = 88,329.60 : x
  2. Step 2: Convert to fraction form
    159,944.72/220,723.78 = 88,329.60/x
  3. Step 3: Cross multiply
    159,944.72x = 220,723.78 × 88,329.60
  4. Step 4: Simplify right side
    159,944.72x = 19,496,443,197.89
  5. Step 5: Solve for x
    x = 19,496,443,197.89/159,944.72
  6. Step 6: Final answer
    x = 121,894.88

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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.