Home / 175,819.26-263,688.72-80,958.54

Finding the Fourth Proportional to 175,819.26, 263,688.72 and 80,958.54

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Solution

The fourth proportional to 175,819.26, 263,688.72 and 80,958.54 is: 121,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,819.26 : 263,688.72 = 80,958.54 : x
  2. Step 2: Convert to fraction form
    175,819.26/263,688.72 = 80,958.54/x
  3. Step 3: Cross multiply
    175,819.26x = 263,688.72 × 80,958.54
  4. Step 4: Simplify right side
    175,819.26x = 21,347,853,785.67
  5. Step 5: Solve for x
    x = 21,347,853,785.67/175,819.26
  6. Step 6: Final answer
    x = 121,419.31

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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.