Home / 132,765.66-198,976.26-53,836.82

Finding the Fourth Proportional to 132,765.66, 198,976.26 and 53,836.82

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Solution

The fourth proportional to 132,765.66, 198,976.26 and 53,836.82 is: 80,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,765.66 : 198,976.26 = 53,836.82 : x
  2. Step 2: Convert to fraction form
    132,765.66/198,976.26 = 53,836.82/x
  3. Step 3: Cross multiply
    132,765.66x = 198,976.26 × 53,836.82
  4. Step 4: Simplify right side
    132,765.66x = 10,712,249,093.89
  5. Step 5: Solve for x
    x = 10,712,249,093.89/132,765.66
  6. Step 6: Final answer
    x = 80,685.39

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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.