Home / 132,786.41-199,179.07-53,899.97

Finding the Fourth Proportional to 132,786.41, 199,179.07 and 53,899.97

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Solution

The fourth proportional to 132,786.41, 199,179.07 and 53,899.97 is: 80,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786.41 : 199,179.07 = 53,899.97 : x
  2. Step 2: Convert to fraction form
    132,786.41/199,179.07 = 53,899.97/x
  3. Step 3: Cross multiply
    132,786.41x = 199,179.07 × 53,899.97
  4. Step 4: Simplify right side
    132,786.41x = 10,735,744,766.98
  5. Step 5: Solve for x
    x = 10,735,744,766.98/132,786.41
  6. Step 6: Final answer
    x = 80,849.73

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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.