Home / 128,167.11-192,244.86-43,934.76

Finding the Fourth Proportional to 128,167.11, 192,244.86 and 43,934.76

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Solution

The fourth proportional to 128,167.11, 192,244.86 and 43,934.76 is: 65,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,167.11 : 192,244.86 = 43,934.76 : x
  2. Step 2: Convert to fraction form
    128,167.11/192,244.86 = 43,934.76/x
  3. Step 3: Cross multiply
    128,167.11x = 192,244.86 × 43,934.76
  4. Step 4: Simplify right side
    128,167.11x = 8,446,231,785.33
  5. Step 5: Solve for x
    x = 8,446,231,785.33/128,167.11
  6. Step 6: Final answer
    x = 65,900.15

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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.