Home / 113,771.52-170,750.28-80,523.96

Finding the Fourth Proportional to 113,771.52, 170,750.28 and 80,523.96

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Solution

The fourth proportional to 113,771.52, 170,750.28 and 80,523.96 is: 120,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,771.52 : 170,750.28 = 80,523.96 : x
  2. Step 2: Convert to fraction form
    113,771.52/170,750.28 = 80,523.96/x
  3. Step 3: Cross multiply
    113,771.52x = 170,750.28 × 80,523.96
  4. Step 4: Simplify right side
    113,771.52x = 13,749,488,716.71
  5. Step 5: Solve for x
    x = 13,749,488,716.71/113,771.52
  6. Step 6: Final answer
    x = 120,851.76

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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.