Home / 165,659.20-248,469.60-47,348.80

Finding the Fourth Proportional to 165,659.20, 248,469.60 and 47,348.80

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Solution

The fourth proportional to 165,659.20, 248,469.60 and 47,348.80 is: 71,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,659.20 : 248,469.60 = 47,348.80 : x
  2. Step 2: Convert to fraction form
    165,659.20/248,469.60 = 47,348.80/x
  3. Step 3: Cross multiply
    165,659.20x = 248,469.60 × 47,348.80
  4. Step 4: Simplify right side
    165,659.20x = 11,764,737,396.48
  5. Step 5: Solve for x
    x = 11,764,737,396.48/165,659.20
  6. Step 6: Final answer
    x = 71,017.71

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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.