Home / 132,716.20-199,074.30-82,852.60

Finding the Fourth Proportional to 132,716.20, 199,074.30 and 82,852.60

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Solution

The fourth proportional to 132,716.20, 199,074.30 and 82,852.60 is: 124,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,716.20 : 199,074.30 = 82,852.60 : x
  2. Step 2: Convert to fraction form
    132,716.20/199,074.30 = 82,852.60/x
  3. Step 3: Cross multiply
    132,716.20x = 199,074.30 × 82,852.60
  4. Step 4: Simplify right side
    132,716.20x = 16,493,823,348.18
  5. Step 5: Solve for x
    x = 16,493,823,348.18/132,716.20
  6. Step 6: Final answer
    x = 124,278.90

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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.