Home / 269,786.98-404,680.20-80,246.56

Finding the Fourth Proportional to 269,786.98, 404,680.20 and 80,246.56

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Solution

The fourth proportional to 269,786.98, 404,680.20 and 80,246.56 is: 120,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,786.98 : 404,680.20 = 80,246.56 : x
  2. Step 2: Convert to fraction form
    269,786.98/404,680.20 = 80,246.56/x
  3. Step 3: Cross multiply
    269,786.98x = 404,680.20 × 80,246.56
  4. Step 4: Simplify right side
    269,786.98x = 32,474,193,950.11
  5. Step 5: Solve for x
    x = 32,474,193,950.11/269,786.98
  6. Step 6: Final answer
    x = 120,369.76

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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.