Home / 273,617.20-410,207.10-115,715.80

Finding the Fourth Proportional to 273,617.20, 410,207.10 and 115,715.80

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Solution

The fourth proportional to 273,617.20, 410,207.10 and 115,715.80 is: 173,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,617.20 : 410,207.10 = 115,715.80 : x
  2. Step 2: Convert to fraction form
    273,617.20/410,207.10 = 115,715.80/x
  3. Step 3: Cross multiply
    273,617.20x = 410,207.10 × 115,715.80
  4. Step 4: Simplify right side
    273,617.20x = 47,467,442,742.18
  5. Step 5: Solve for x
    x = 47,467,442,742.18/273,617.20
  6. Step 6: Final answer
    x = 173,481.21

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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.