Home / 132,455.96-198,690.80-43,716.38

Finding the Fourth Proportional to 132,455.96, 198,690.80 and 43,716.38

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Solution

The fourth proportional to 132,455.96, 198,690.80 and 43,716.38 is: 65,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,455.96 : 198,690.80 = 43,716.38 : x
  2. Step 2: Convert to fraction form
    132,455.96/198,690.80 = 43,716.38/x
  3. Step 3: Cross multiply
    132,455.96x = 198,690.80 × 43,716.38
  4. Step 4: Simplify right side
    132,455.96x = 8,686,042,515.30
  5. Step 5: Solve for x
    x = 8,686,042,515.30/132,455.96
  6. Step 6: Final answer
    x = 65,576.83

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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.