Home / 168,066.90-252,147.20-73,305.54

Finding the Fourth Proportional to 168,066.90, 252,147.20 and 73,305.54

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Solution

The fourth proportional to 168,066.90, 252,147.20 and 73,305.54 is: 109,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,066.90 : 252,147.20 = 73,305.54 : x
  2. Step 2: Convert to fraction form
    168,066.90/252,147.20 = 73,305.54/x
  3. Step 3: Cross multiply
    168,066.90x = 252,147.20 × 73,305.54
  4. Step 4: Simplify right side
    168,066.90x = 18,483,786,288.96
  5. Step 5: Solve for x
    x = 18,483,786,288.96/168,066.90
  6. Step 6: Final answer
    x = 109,978.74

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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.