Home / 494,069.85-741,112.92-139,092.39

Finding the Fourth Proportional to 494,069.85, 741,112.92 and 139,092.39

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Solution

The fourth proportional to 494,069.85, 741,112.92 and 139,092.39 is: 208,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,069.85 : 741,112.92 = 139,092.39 : x
  2. Step 2: Convert to fraction form
    494,069.85/741,112.92 = 139,092.39/x
  3. Step 3: Cross multiply
    494,069.85x = 741,112.92 × 139,092.39
  4. Step 4: Simplify right side
    494,069.85x = 103,083,167,302.68
  5. Step 5: Solve for x
    x = 103,083,167,302.68/494,069.85
  6. Step 6: Final answer
    x = 208,640.88

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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.