Home / 113,429.20-170,208.60-43,358.80

Finding the Fourth Proportional to 113,429.20, 170,208.60 and 43,358.80

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Solution

The fourth proportional to 113,429.20, 170,208.60 and 43,358.80 is: 65,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.20 : 170,208.60 = 43,358.80 : x
  2. Step 2: Convert to fraction form
    113,429.20/170,208.60 = 43,358.80/x
  3. Step 3: Cross multiply
    113,429.20x = 170,208.60 × 43,358.80
  4. Step 4: Simplify right side
    113,429.20x = 7,380,040,645.68
  5. Step 5: Solve for x
    x = 7,380,040,645.68/113,429.20
  6. Step 6: Final answer
    x = 65,062.97

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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.