Home / 170,131.92-255,255.12-75,348.96

Finding the Fourth Proportional to 170,131.92, 255,255.12 and 75,348.96

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Solution

The fourth proportional to 170,131.92, 255,255.12 and 75,348.96 is: 113,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,131.92 : 255,255.12 = 75,348.96 : x
  2. Step 2: Convert to fraction form
    170,131.92/255,255.12 = 75,348.96/x
  3. Step 3: Cross multiply
    170,131.92x = 255,255.12 × 75,348.96
  4. Step 4: Simplify right side
    170,131.92x = 19,233,207,826.68
  5. Step 5: Solve for x
    x = 19,233,207,826.68/170,131.92
  6. Step 6: Final answer
    x = 113,048.79

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1.5x scale

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.