Home / 168,231.20-252,006.60-104,856.80

Finding the Fourth Proportional to 168,231.20, 252,006.60 and 104,856.80

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Solution

The fourth proportional to 168,231.20, 252,006.60 and 104,856.80 is: 157,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,231.20 : 252,006.60 = 104,856.80 : x
  2. Step 2: Convert to fraction form
    168,231.20/252,006.60 = 104,856.80/x
  3. Step 3: Cross multiply
    168,231.20x = 252,006.60 × 104,856.80
  4. Step 4: Simplify right side
    168,231.20x = 26,424,605,654.88
  5. Step 5: Solve for x
    x = 26,424,605,654.88/168,231.20
  6. Step 6: Final answer
    x = 157,073.16

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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.