Home / 95,735.20-143,262.60-83,390.80

Finding the Fourth Proportional to 95,735.20, 143,262.60 and 83,390.80

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Solution

The fourth proportional to 95,735.20, 143,262.60 and 83,390.80 is: 124,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,735.20 : 143,262.60 = 83,390.80 : x
  2. Step 2: Convert to fraction form
    95,735.20/143,262.60 = 83,390.80/x
  3. Step 3: Cross multiply
    95,735.20x = 143,262.60 × 83,390.80
  4. Step 4: Simplify right side
    95,735.20x = 11,946,782,824.08
  5. Step 5: Solve for x
    x = 11,946,782,824.08/95,735.20
  6. Step 6: Final answer
    x = 124,789.87

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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.