Home / 188,819.43-260,563.11-108,190.87

Finding the Fourth Proportional to 188,819.43, 260,563.11 and 108,190.87

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Solution

The fourth proportional to 188,819.43, 260,563.11 and 108,190.87 is: 149,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.43 : 260,563.11 = 108,190.87 : x
  2. Step 2: Convert to fraction form
    188,819.43/260,563.11 = 108,190.87/x
  3. Step 3: Cross multiply
    188,819.43x = 260,563.11 × 108,190.87
  4. Step 4: Simplify right side
    188,819.43x = 28,190,549,560.81
  5. Step 5: Solve for x
    x = 28,190,549,560.81/188,819.43
  6. Step 6: Final answer
    x = 149,298.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.