Home / 168,198.89-232,116.26-91,717.34

Finding the Fourth Proportional to 168,198.89, 232,116.26 and 91,717.34

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Solution

The fourth proportional to 168,198.89, 232,116.26 and 91,717.34 is: 126,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,198.89 : 232,116.26 = 91,717.34 : x
  2. Step 2: Convert to fraction form
    168,198.89/232,116.26 = 91,717.34/x
  3. Step 3: Cross multiply
    168,198.89x = 232,116.26 × 91,717.34
  4. Step 4: Simplify right side
    168,198.89x = 21,289,084,318.78
  5. Step 5: Solve for x
    x = 21,289,084,318.78/168,198.89
  6. Step 6: Final answer
    x = 126,570.90

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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.