Home / 132,949.43-199,257.83-66,408.13

Finding the Fourth Proportional to 132,949.43, 199,257.83 and 66,408.13

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Solution

The fourth proportional to 132,949.43, 199,257.83 and 66,408.13 is: 99,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949.43 : 199,257.83 = 66,408.13 : x
  2. Step 2: Convert to fraction form
    132,949.43/199,257.83 = 66,408.13/x
  3. Step 3: Cross multiply
    132,949.43x = 199,257.83 × 66,408.13
  4. Step 4: Simplify right side
    132,949.43x = 13,232,339,546.03
  5. Step 5: Solve for x
    x = 13,232,339,546.03/132,949.43
  6. Step 6: Final answer
    x = 99,529.12

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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.