Home / 159,996.20-220,793.37-88,381.22

Finding the Fourth Proportional to 159,996.20, 220,793.37 and 88,381.22

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Solution

The fourth proportional to 159,996.20, 220,793.37 and 88,381.22 is: 121,965.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,996.20 : 220,793.37 = 88,381.22 : x
  2. Step 2: Convert to fraction form
    159,996.20/220,793.37 = 88,381.22/x
  3. Step 3: Cross multiply
    159,996.20x = 220,793.37 × 88,381.22
  4. Step 4: Simplify right side
    159,996.20x = 19,513,987,408.51
  5. Step 5: Solve for x
    x = 19,513,987,408.51/159,996.20
  6. Step 6: Final answer
    x = 121,965.32

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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.