Home / 132,899.88-199,245.18-66,305.76

Finding the Fourth Proportional to 132,899.88, 199,245.18 and 66,305.76

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Solution

The fourth proportional to 132,899.88, 199,245.18 and 66,305.76 is: 99,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,899.88 : 199,245.18 = 66,305.76 : x
  2. Step 2: Convert to fraction form
    132,899.88/199,245.18 = 66,305.76/x
  3. Step 3: Cross multiply
    132,899.88x = 199,245.18 × 66,305.76
  4. Step 4: Simplify right side
    132,899.88x = 13,211,103,086.24
  5. Step 5: Solve for x
    x = 13,211,103,086.24/132,899.88
  6. Step 6: Final answer
    x = 99,406.43

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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.