Home / 168,126.27-232,012.77-91,645.38

Finding the Fourth Proportional to 168,126.27, 232,012.77 and 91,645.38

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Solution

The fourth proportional to 168,126.27, 232,012.77 and 91,645.38 is: 126,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,126.27 : 232,012.77 = 91,645.38 : x
  2. Step 2: Convert to fraction form
    168,126.27/232,012.77 = 91,645.38/x
  3. Step 3: Cross multiply
    168,126.27x = 232,012.77 × 91,645.38
  4. Step 4: Simplify right side
    168,126.27x = 21,262,898,471.50
  5. Step 5: Solve for x
    x = 21,262,898,471.50/168,126.27
  6. Step 6: Final answer
    x = 126,469.82

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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.