Home / 156,198.60-215,549.46-88,218.36

Finding the Fourth Proportional to 156,198.60, 215,549.46 and 88,218.36

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Solution

The fourth proportional to 156,198.60, 215,549.46 and 88,218.36 is: 121,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,198.60 : 215,549.46 = 88,218.36 : x
  2. Step 2: Convert to fraction form
    156,198.60/215,549.46 = 88,218.36/x
  3. Step 3: Cross multiply
    156,198.60x = 215,549.46 × 88,218.36
  4. Step 4: Simplify right side
    156,198.60x = 19,015,419,860.09
  5. Step 5: Solve for x
    x = 19,015,419,860.09/156,198.60
  6. Step 6: Final answer
    x = 121,738.73

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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.