Home / 205,189.60-283,177.20-120,353.44

Finding the Fourth Proportional to 205,189.60, 283,177.20 and 120,353.44

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Solution

The fourth proportional to 205,189.60, 283,177.20 and 120,353.44 is: 166,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,189.60 : 283,177.20 = 120,353.44 : x
  2. Step 2: Convert to fraction form
    205,189.60/283,177.20 = 120,353.44/x
  3. Step 3: Cross multiply
    205,189.60x = 283,177.20 × 120,353.44
  4. Step 4: Simplify right side
    205,189.60x = 34,081,350,149.57
  5. Step 5: Solve for x
    x = 34,081,350,149.57/205,189.60
  6. Step 6: Final answer
    x = 166,096.87

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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.