Home / 168,613.20-252,954.72-68,773.68

Finding the Fourth Proportional to 168,613.20, 252,954.72 and 68,773.68

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Solution

The fourth proportional to 168,613.20, 252,954.72 and 68,773.68 is: 103,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,613.20 : 252,954.72 = 68,773.68 : x
  2. Step 2: Convert to fraction form
    168,613.20/252,954.72 = 68,773.68/x
  3. Step 3: Cross multiply
    168,613.20x = 252,954.72 × 68,773.68
  4. Step 4: Simplify right side
    168,613.20x = 17,396,626,967.77
  5. Step 5: Solve for x
    x = 17,396,626,967.77/168,613.20
  6. Step 6: Final answer
    x = 103,174.76

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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.