Home / 168,115.14-252,173.52-49,788.72

Finding the Fourth Proportional to 168,115.14, 252,173.52 and 49,788.72

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Solution

The fourth proportional to 168,115.14, 252,173.52 and 49,788.72 is: 74,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,115.14 : 252,173.52 = 49,788.72 : x
  2. Step 2: Convert to fraction form
    168,115.14/252,173.52 = 49,788.72/x
  3. Step 3: Cross multiply
    168,115.14x = 252,173.52 × 49,788.72
  4. Step 4: Simplify right side
    168,115.14x = 12,555,396,778.69
  5. Step 5: Solve for x
    x = 12,555,396,778.69/168,115.14
  6. Step 6: Final answer
    x = 74,683.32

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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.