Home / 170,229.22-255,401.34-75,446.44

Finding the Fourth Proportional to 170,229.22, 255,401.34 and 75,446.44

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Solution

The fourth proportional to 170,229.22, 255,401.34 and 75,446.44 is: 113,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,229.22 : 255,401.34 = 75,446.44 : x
  2. Step 2: Convert to fraction form
    170,229.22/255,401.34 = 75,446.44/x
  3. Step 3: Cross multiply
    170,229.22x = 255,401.34 × 75,446.44
  4. Step 4: Simplify right side
    170,229.22x = 19,269,121,874.23
  5. Step 5: Solve for x
    x = 19,269,121,874.23/170,229.22
  6. Step 6: Final answer
    x = 113,195.15

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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.