Home / 132,208.80-198,426.60-53,379.60

Finding the Fourth Proportional to 132,208.80, 198,426.60 and 53,379.60

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Solution

The fourth proportional to 132,208.80, 198,426.60 and 53,379.60 is: 80,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,208.80 : 198,426.60 = 53,379.60 : x
  2. Step 2: Convert to fraction form
    132,208.80/198,426.60 = 53,379.60/x
  3. Step 3: Cross multiply
    132,208.80x = 198,426.60 × 53,379.60
  4. Step 4: Simplify right side
    132,208.80x = 10,591,932,537.36
  5. Step 5: Solve for x
    x = 10,591,932,537.36/132,208.80
  6. Step 6: Final answer
    x = 80,115.19

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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.