Home / 132,464.32-198,691.44-43,715.20

Finding the Fourth Proportional to 132,464.32, 198,691.44 and 43,715.20

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Solution

The fourth proportional to 132,464.32, 198,691.44 and 43,715.20 is: 65,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,464.32 : 198,691.44 = 43,715.20 : x
  2. Step 2: Convert to fraction form
    132,464.32/198,691.44 = 43,715.20/x
  3. Step 3: Cross multiply
    132,464.32x = 198,691.44 × 43,715.20
  4. Step 4: Simplify right side
    132,464.32x = 8,685,836,037.89
  5. Step 5: Solve for x
    x = 8,685,836,037.89/132,464.32
  6. Step 6: Final answer
    x = 65,571.14

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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.