Home / 168,126.75-232,016.05-100,146.59

Finding the Fourth Proportional to 168,126.75, 232,016.05 and 100,146.59

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Solution

The fourth proportional to 168,126.75, 232,016.05 and 100,146.59 is: 138,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,126.75 : 232,016.05 = 100,146.59 : x
  2. Step 2: Convert to fraction form
    168,126.75/232,016.05 = 100,146.59/x
  3. Step 3: Cross multiply
    168,126.75x = 232,016.05 × 100,146.59
  4. Step 4: Simplify right side
    168,126.75x = 23,235,616,067.93
  5. Step 5: Solve for x
    x = 23,235,616,067.93/168,126.75
  6. Step 6: Final answer
    x = 138,202.97

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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.