Home / 159,945.80-220,727-88,324.24

Finding the Fourth Proportional to 159,945.80, 220,727 and 88,324.24

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Solution

The fourth proportional to 159,945.80, 220,727 and 88,324.24 is: 121,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,945.80 : 220,727 = 88,324.24 : x
  2. Step 2: Convert to fraction form
    159,945.80/220,727 = 88,324.24/x
  3. Step 3: Cross multiply
    159,945.80x = 220,727 × 88,324.24
  4. Step 4: Simplify right side
    159,945.80x = 19,495,544,522.48
  5. Step 5: Solve for x
    x = 19,495,544,522.48/159,945.80
  6. Step 6: Final answer
    x = 121,888.44

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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.