Home / 168,496.11-252,739.29-68,631.60

Finding the Fourth Proportional to 168,496.11, 252,739.29 and 68,631.60

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Solution

The fourth proportional to 168,496.11, 252,739.29 and 68,631.60 is: 102,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496.11 : 252,739.29 = 68,631.60 : x
  2. Step 2: Convert to fraction form
    168,496.11/252,739.29 = 68,631.60/x
  3. Step 3: Cross multiply
    168,496.11x = 252,739.29 × 68,631.60
  4. Step 4: Simplify right side
    168,496.11x = 17,345,901,855.56
  5. Step 5: Solve for x
    x = 17,345,901,855.56/168,496.11
  6. Step 6: Final answer
    x = 102,945.41

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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.