Home / 168,042.60-231,877.80-113,713.56

Finding the Fourth Proportional to 168,042.60, 231,877.80 and 113,713.56

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Solution

The fourth proportional to 168,042.60, 231,877.80 and 113,713.56 is: 156,910.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.60 : 231,877.80 = 113,713.56 : x
  2. Step 2: Convert to fraction form
    168,042.60/231,877.80 = 113,713.56/x
  3. Step 3: Cross multiply
    168,042.60x = 231,877.80 × 113,713.56
  4. Step 4: Simplify right side
    168,042.60x = 26,367,650,122.97
  5. Step 5: Solve for x
    x = 26,367,650,122.97/168,042.60
  6. Step 6: Final answer
    x = 156,910.51

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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.