Home / 168,259.92-232,121.16-107,801.52

Finding the Fourth Proportional to 168,259.92, 232,121.16 and 107,801.52

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Solution

The fourth proportional to 168,259.92, 232,121.16 and 107,801.52 is: 148,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,259.92 : 232,121.16 = 107,801.52 : x
  2. Step 2: Convert to fraction form
    168,259.92/232,121.16 = 107,801.52/x
  3. Step 3: Cross multiply
    168,259.92x = 232,121.16 × 107,801.52
  4. Step 4: Simplify right side
    168,259.92x = 25,023,013,872.16
  5. Step 5: Solve for x
    x = 25,023,013,872.16/168,259.92
  6. Step 6: Final answer
    x = 148,716.43

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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.