Home / 168,021.78-252,079.38-73,260.24

Finding the Fourth Proportional to 168,021.78, 252,079.38 and 73,260.24

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Solution

The fourth proportional to 168,021.78, 252,079.38 and 73,260.24 is: 109,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.78 : 252,079.38 = 73,260.24 : x
  2. Step 2: Convert to fraction form
    168,021.78/252,079.38 = 73,260.24/x
  3. Step 3: Cross multiply
    168,021.78x = 252,079.38 × 73,260.24
  4. Step 4: Simplify right side
    168,021.78x = 18,467,395,877.85
  5. Step 5: Solve for x
    x = 18,467,395,877.85/168,021.78
  6. Step 6: Final answer
    x = 109,910.73

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1.5x scale

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.