Home / 168,451.20-252,662.22-68,621.94

Finding the Fourth Proportional to 168,451.20, 252,662.22 and 68,621.94

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Solution

The fourth proportional to 168,451.20, 252,662.22 and 68,621.94 is: 102,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,451.20 : 252,662.22 = 68,621.94 : x
  2. Step 2: Convert to fraction form
    168,451.20/252,662.22 = 68,621.94/x
  3. Step 3: Cross multiply
    168,451.20x = 252,662.22 × 68,621.94
  4. Step 4: Simplify right side
    168,451.20x = 17,338,171,701.11
  5. Step 5: Solve for x
    x = 17,338,171,701.11/168,451.20
  6. Step 6: Final answer
    x = 102,926.97

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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.