Home / 168,402.18-232,393.89-91,920.97

Finding the Fourth Proportional to 168,402.18, 232,393.89 and 91,920.97

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Solution

The fourth proportional to 168,402.18, 232,393.89 and 91,920.97 is: 126,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402.18 : 232,393.89 = 91,920.97 : x
  2. Step 2: Convert to fraction form
    168,402.18/232,393.89 = 91,920.97/x
  3. Step 3: Cross multiply
    168,402.18x = 232,393.89 × 91,920.97
  4. Step 4: Simplify right side
    168,402.18x = 21,361,871,790.87
  5. Step 5: Solve for x
    x = 21,361,871,790.87/168,402.18
  6. Step 6: Final answer
    x = 126,850.33

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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.