Home / 168,116.10-252,218.70-73,305.60

Finding the Fourth Proportional to 168,116.10, 252,218.70 and 73,305.60

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Solution

The fourth proportional to 168,116.10, 252,218.70 and 73,305.60 is: 109,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116.10 : 252,218.70 = 73,305.60 : x
  2. Step 2: Convert to fraction form
    168,116.10/252,218.70 = 73,305.60/x
  3. Step 3: Cross multiply
    168,116.10x = 252,218.70 × 73,305.60
  4. Step 4: Simplify right side
    168,116.10x = 18,489,043,134.72
  5. Step 5: Solve for x
    x = 18,489,043,134.72/168,116.10
  6. Step 6: Final answer
    x = 109,977.83

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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.