Home / 168,049.14-252,178.79-68,209.32

Finding the Fourth Proportional to 168,049.14, 252,178.79 and 68,209.32

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Solution

The fourth proportional to 168,049.14, 252,178.79 and 68,209.32 is: 102,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.14 : 252,178.79 = 68,209.32 : x
  2. Step 2: Convert to fraction form
    168,049.14/252,178.79 = 68,209.32/x
  3. Step 3: Cross multiply
    168,049.14x = 252,178.79 × 68,209.32
  4. Step 4: Simplify right side
    168,049.14x = 17,200,943,784.32
  5. Step 5: Solve for x
    x = 17,200,943,784.32/168,049.14
  6. Step 6: Final answer
    x = 102,356.63

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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.