Home / 159,747.12-220,550.04-112,192.56

Finding the Fourth Proportional to 159,747.12, 220,550.04 and 112,192.56

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Solution

The fourth proportional to 159,747.12, 220,550.04 and 112,192.56 is: 154,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,747.12 : 220,550.04 = 112,192.56 : x
  2. Step 2: Convert to fraction form
    159,747.12/220,550.04 = 112,192.56/x
  3. Step 3: Cross multiply
    159,747.12x = 220,550.04 × 112,192.56
  4. Step 4: Simplify right side
    159,747.12x = 24,744,073,595.70
  5. Step 5: Solve for x
    x = 24,744,073,595.70/159,747.12
  6. Step 6: Final answer
    x = 154,895.27

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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.