Home / 132,092.40-198,147.72-53,206.80

Finding the Fourth Proportional to 132,092.40, 198,147.72 and 53,206.80

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Solution

The fourth proportional to 132,092.40, 198,147.72 and 53,206.80 is: 79,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092.40 : 198,147.72 = 53,206.80 : x
  2. Step 2: Convert to fraction form
    132,092.40/198,147.72 = 53,206.80/x
  3. Step 3: Cross multiply
    132,092.40x = 198,147.72 × 53,206.80
  4. Step 4: Simplify right side
    132,092.40x = 10,542,806,108.50
  5. Step 5: Solve for x
    x = 10,542,806,108.50/132,092.40
  6. Step 6: Final answer
    x = 79,813.87

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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.