Home / 131,906.50-182,279.37-100,016.26

Finding the Fourth Proportional to 131,906.50, 182,279.37 and 100,016.26

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Solution

The fourth proportional to 131,906.50, 182,279.37 and 100,016.26 is: 138,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,906.50 : 182,279.37 = 100,016.26 : x
  2. Step 2: Convert to fraction form
    131,906.50/182,279.37 = 100,016.26/x
  3. Step 3: Cross multiply
    131,906.50x = 182,279.37 × 100,016.26
  4. Step 4: Simplify right side
    131,906.50x = 18,230,900,862.56
  5. Step 5: Solve for x
    x = 18,230,900,862.56/131,906.50
  6. Step 6: Final answer
    x = 138,210.78

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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.