Home / 168,819.55-253,155.46-80,098.36

Finding the Fourth Proportional to 168,819.55, 253,155.46 and 80,098.36

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Solution

The fourth proportional to 168,819.55, 253,155.46 and 80,098.36 is: 120,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,819.55 : 253,155.46 = 80,098.36 : x
  2. Step 2: Convert to fraction form
    168,819.55/253,155.46 = 80,098.36/x
  3. Step 3: Cross multiply
    168,819.55x = 253,155.46 × 80,098.36
  4. Step 4: Simplify right side
    168,819.55x = 20,277,337,171.05
  5. Step 5: Solve for x
    x = 20,277,337,171.05/168,819.55
  6. Step 6: Final answer
    x = 120,112.49

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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.