Home / 159,972.08-220,757.22-88,350.56

Finding the Fourth Proportional to 159,972.08, 220,757.22 and 88,350.56

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Solution

The fourth proportional to 159,972.08, 220,757.22 and 88,350.56 is: 121,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,972.08 : 220,757.22 = 88,350.56 : x
  2. Step 2: Convert to fraction form
    159,972.08/220,757.22 = 88,350.56/x
  3. Step 3: Cross multiply
    159,972.08x = 220,757.22 × 88,350.56
  4. Step 4: Simplify right side
    159,972.08x = 19,504,022,907.26
  5. Step 5: Solve for x
    x = 19,504,022,907.26/159,972.08
  6. Step 6: Final answer
    x = 121,921.42

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1.5x scale

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.