Home / 132,163.28-198,265.64-43,396.59

Finding the Fourth Proportional to 132,163.28, 198,265.64 and 43,396.59

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Solution

The fourth proportional to 132,163.28, 198,265.64 and 43,396.59 is: 65,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,163.28 : 198,265.64 = 43,396.59 : x
  2. Step 2: Convert to fraction form
    132,163.28/198,265.64 = 43,396.59/x
  3. Step 3: Cross multiply
    132,163.28x = 198,265.64 × 43,396.59
  4. Step 4: Simplify right side
    132,163.28x = 8,604,052,473.18
  5. Step 5: Solve for x
    x = 8,604,052,473.18/132,163.28
  6. Step 6: Final answer
    x = 65,101.69

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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.