Home / 168,023.89-231,872.84-92,572.39

Finding the Fourth Proportional to 168,023.89, 231,872.84 and 92,572.39

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Solution

The fourth proportional to 168,023.89, 231,872.84 and 92,572.39 is: 127,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.89 : 231,872.84 = 92,572.39 : x
  2. Step 2: Convert to fraction form
    168,023.89/231,872.84 = 92,572.39/x
  3. Step 3: Cross multiply
    168,023.89x = 231,872.84 × 92,572.39
  4. Step 4: Simplify right side
    168,023.89x = 21,465,023,669.73
  5. Step 5: Solve for x
    x = 21,465,023,669.73/168,023.89
  6. Step 6: Final answer
    x = 127,749.83

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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.