Home / 168,240.17-232,163.22-100,255.62

Finding the Fourth Proportional to 168,240.17, 232,163.22 and 100,255.62

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Solution

The fourth proportional to 168,240.17, 232,163.22 and 100,255.62 is: 138,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,240.17 : 232,163.22 = 100,255.62 : x
  2. Step 2: Convert to fraction form
    168,240.17/232,163.22 = 100,255.62/x
  3. Step 3: Cross multiply
    168,240.17x = 232,163.22 × 100,255.62
  4. Step 4: Simplify right side
    168,240.17x = 23,275,667,562.30
  5. Step 5: Solve for x
    x = 23,275,667,562.30/168,240.17
  6. Step 6: Final answer
    x = 138,347.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.