Home / 110,610.60-165,786.30-82,876.20

Finding the Fourth Proportional to 110,610.60, 165,786.30 and 82,876.20

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Solution

The fourth proportional to 110,610.60, 165,786.30 and 82,876.20 is: 124,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,610.60 : 165,786.30 = 82,876.20 : x
  2. Step 2: Convert to fraction form
    110,610.60/165,786.30 = 82,876.20/x
  3. Step 3: Cross multiply
    110,610.60x = 165,786.30 × 82,876.20
  4. Step 4: Simplify right side
    110,610.60x = 13,739,738,556.06
  5. Step 5: Solve for x
    x = 13,739,738,556.06/110,610.60
  6. Step 6: Final answer
    x = 124,217.20

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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.