Home / 117,910.20-176,865.30-114,629.70

Finding the Fourth Proportional to 117,910.20, 176,865.30 and 114,629.70

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Solution

The fourth proportional to 117,910.20, 176,865.30 and 114,629.70 is: 171,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,910.20 : 176,865.30 = 114,629.70 : x
  2. Step 2: Convert to fraction form
    117,910.20/176,865.30 = 114,629.70/x
  3. Step 3: Cross multiply
    117,910.20x = 176,865.30 × 114,629.70
  4. Step 4: Simplify right side
    117,910.20x = 20,274,016,279.41
  5. Step 5: Solve for x
    x = 20,274,016,279.41/117,910.20
  6. Step 6: Final answer
    x = 171,944.55

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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.