Home / 128,336.24-192,449.18-44,104.86

Finding the Fourth Proportional to 128,336.24, 192,449.18 and 44,104.86

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Solution

The fourth proportional to 128,336.24, 192,449.18 and 44,104.86 is: 66,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,336.24 : 192,449.18 = 44,104.86 : x
  2. Step 2: Convert to fraction form
    128,336.24/192,449.18 = 44,104.86/x
  3. Step 3: Cross multiply
    128,336.24x = 192,449.18 × 44,104.86
  4. Step 4: Simplify right side
    128,336.24x = 8,487,944,251.28
  5. Step 5: Solve for x
    x = 8,487,944,251.28/128,336.24
  6. Step 6: Final answer
    x = 66,138.33

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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.