Home / 132,942.60-199,355.52-49,778.28

Finding the Fourth Proportional to 132,942.60, 199,355.52 and 49,778.28

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Solution

The fourth proportional to 132,942.60, 199,355.52 and 49,778.28 is: 74,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.60 : 199,355.52 = 49,778.28 : x
  2. Step 2: Convert to fraction form
    132,942.60/199,355.52 = 49,778.28/x
  3. Step 3: Cross multiply
    132,942.60x = 199,355.52 × 49,778.28
  4. Step 4: Simplify right side
    132,942.60x = 9,923,574,894.11
  5. Step 5: Solve for x
    x = 9,923,574,894.11/132,942.60
  6. Step 6: Final answer
    x = 74,645.56

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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.