Home / 168,126.12-232,010.80-91,645.92

Finding the Fourth Proportional to 168,126.12, 232,010.80 and 91,645.92

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Solution

The fourth proportional to 168,126.12, 232,010.80 and 91,645.92 is: 126,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,126.12 : 232,010.80 = 91,645.92 : x
  2. Step 2: Convert to fraction form
    168,126.12/232,010.80 = 91,645.92/x
  3. Step 3: Cross multiply
    168,126.12x = 232,010.80 × 91,645.92
  4. Step 4: Simplify right side
    168,126.12x = 21,262,843,215.94
  5. Step 5: Solve for x
    x = 21,262,843,215.94/168,126.12
  6. Step 6: Final answer
    x = 126,469.60

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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.