Home / 115,500.20-173,255.70-36,620.60

Finding the Fourth Proportional to 115,500.20, 173,255.70 and 36,620.60

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Solution

The fourth proportional to 115,500.20, 173,255.70 and 36,620.60 is: 54,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.20 : 173,255.70 = 36,620.60 : x
  2. Step 2: Convert to fraction form
    115,500.20/173,255.70 = 36,620.60/x
  3. Step 3: Cross multiply
    115,500.20x = 173,255.70 × 36,620.60
  4. Step 4: Simplify right side
    115,500.20x = 6,344,727,687.42
  5. Step 5: Solve for x
    x = 6,344,727,687.42/115,500.20
  6. Step 6: Final answer
    x = 54,932.61

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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.