Home / 159,735.72-220,426.38-88,101.48

Finding the Fourth Proportional to 159,735.72, 220,426.38 and 88,101.48

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Solution

The fourth proportional to 159,735.72, 220,426.38 and 88,101.48 is: 121,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,735.72 : 220,426.38 = 88,101.48 : x
  2. Step 2: Convert to fraction form
    159,735.72/220,426.38 = 88,101.48/x
  3. Step 3: Cross multiply
    159,735.72x = 220,426.38 × 88,101.48
  4. Step 4: Simplify right side
    159,735.72x = 19,419,890,309.04
  5. Step 5: Solve for x
    x = 19,419,890,309.04/159,735.72
  6. Step 6: Final answer
    x = 121,575.13

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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.