Home / 263,306.32-394,601.50-111,377.04

Finding the Fourth Proportional to 263,306.32, 394,601.50 and 111,377.04

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Solution

The fourth proportional to 263,306.32, 394,601.50 and 111,377.04 is: 166,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,306.32 : 394,601.50 = 111,377.04 : x
  2. Step 2: Convert to fraction form
    263,306.32/394,601.50 = 111,377.04/x
  3. Step 3: Cross multiply
    263,306.32x = 394,601.50 × 111,377.04
  4. Step 4: Simplify right side
    263,306.32x = 43,949,547,049.56
  5. Step 5: Solve for x
    x = 43,949,547,049.56/263,306.32
  6. Step 6: Final answer
    x = 166,914.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.