Home / 191,217.40-263,945.46-115,765.84

Finding the Fourth Proportional to 191,217.40, 263,945.46 and 115,765.84

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Solution

The fourth proportional to 191,217.40, 263,945.46 and 115,765.84 is: 159,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,217.40 : 263,945.46 = 115,765.84 : x
  2. Step 2: Convert to fraction form
    191,217.40/263,945.46 = 115,765.84/x
  3. Step 3: Cross multiply
    191,217.40x = 263,945.46 × 115,765.84
  4. Step 4: Simplify right side
    191,217.40x = 30,555,867,891.09
  5. Step 5: Solve for x
    x = 30,555,867,891.09/191,217.40
  6. Step 6: Final answer
    x = 159,796.48

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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.