Home / 132,046.80-198,167.40-53,217.60

Finding the Fourth Proportional to 132,046.80, 198,167.40 and 53,217.60

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Solution

The fourth proportional to 132,046.80, 198,167.40 and 53,217.60 is: 79,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.80 : 198,167.40 = 53,217.60 : x
  2. Step 2: Convert to fraction form
    132,046.80/198,167.40 = 53,217.60/x
  3. Step 3: Cross multiply
    132,046.80x = 198,167.40 × 53,217.60
  4. Step 4: Simplify right side
    132,046.80x = 10,545,993,426.24
  5. Step 5: Solve for x
    x = 10,545,993,426.24/132,046.80
  6. Step 6: Final answer
    x = 79,865.57

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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.