Home / 111,201.30-166,575.15-68,951.70

Finding the Fourth Proportional to 111,201.30, 166,575.15 and 68,951.70

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Solution

The fourth proportional to 111,201.30, 166,575.15 and 68,951.70 is: 103,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,201.30 : 166,575.15 = 68,951.70 : x
  2. Step 2: Convert to fraction form
    111,201.30/166,575.15 = 68,951.70/x
  3. Step 3: Cross multiply
    111,201.30x = 166,575.15 × 68,951.70
  4. Step 4: Simplify right side
    111,201.30x = 11,485,639,770.26
  5. Step 5: Solve for x
    x = 11,485,639,770.26/111,201.30
  6. Step 6: Final answer
    x = 103,286.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.