Home / 168,022.62-252,139.32-68,183.28

Finding the Fourth Proportional to 168,022.62, 252,139.32 and 68,183.28

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Solution

The fourth proportional to 168,022.62, 252,139.32 and 68,183.28 is: 102,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.62 : 252,139.32 = 68,183.28 : x
  2. Step 2: Convert to fraction form
    168,022.62/252,139.32 = 68,183.28/x
  3. Step 3: Cross multiply
    168,022.62x = 252,139.32 × 68,183.28
  4. Step 4: Simplify right side
    168,022.62x = 17,191,685,854.57
  5. Step 5: Solve for x
    x = 17,191,685,854.57/168,022.62
  6. Step 6: Final answer
    x = 102,317.69

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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.