Home / 132,944.60-199,212.10-115,331.80

Finding the Fourth Proportional to 132,944.60, 199,212.10 and 115,331.80

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Solution

The fourth proportional to 132,944.60, 199,212.10 and 115,331.80 is: 172,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,944.60 : 199,212.10 = 115,331.80 : x
  2. Step 2: Convert to fraction form
    132,944.60/199,212.10 = 115,331.80/x
  3. Step 3: Cross multiply
    132,944.60x = 199,212.10 × 115,331.80
  4. Step 4: Simplify right side
    132,944.60x = 22,975,490,074.78
  5. Step 5: Solve for x
    x = 22,975,490,074.78/132,944.60
  6. Step 6: Final answer
    x = 172,820.03

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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.