Home / 168,121.11-252,116.06-73,380.27

Finding the Fourth Proportional to 168,121.11, 252,116.06 and 73,380.27

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Solution

The fourth proportional to 168,121.11, 252,116.06 and 73,380.27 is: 110,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,121.11 : 252,116.06 = 73,380.27 : x
  2. Step 2: Convert to fraction form
    168,121.11/252,116.06 = 73,380.27/x
  3. Step 3: Cross multiply
    168,121.11x = 252,116.06 × 73,380.27
  4. Step 4: Simplify right side
    168,121.11x = 18,500,344,187.23
  5. Step 5: Solve for x
    x = 18,500,344,187.23/168,121.11
  6. Step 6: Final answer
    x = 110,041.77

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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.