Home / 269,155.24-403,732.87-79,600.85

Finding the Fourth Proportional to 269,155.24, 403,732.87 and 79,600.85

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Solution

The fourth proportional to 269,155.24, 403,732.87 and 79,600.85 is: 119,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,155.24 : 403,732.87 = 79,600.85 : x
  2. Step 2: Convert to fraction form
    269,155.24/403,732.87 = 79,600.85/x
  3. Step 3: Cross multiply
    269,155.24x = 403,732.87 × 79,600.85
  4. Step 4: Simplify right side
    269,155.24x = 32,137,478,921.27
  5. Step 5: Solve for x
    x = 32,137,478,921.27/269,155.24
  6. Step 6: Final answer
    x = 119,401.28

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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.