Home / 274,120.20-410,921.10-161,886.60

Finding the Fourth Proportional to 274,120.20, 410,921.10 and 161,886.60

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Solution

The fourth proportional to 274,120.20, 410,921.10 and 161,886.60 is: 242,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,120.20 : 410,921.10 = 161,886.60 : x
  2. Step 2: Convert to fraction form
    274,120.20/410,921.10 = 161,886.60/x
  3. Step 3: Cross multiply
    274,120.20x = 410,921.10 × 161,886.60
  4. Step 4: Simplify right side
    274,120.20x = 66,522,619,747.26
  5. Step 5: Solve for x
    x = 66,522,619,747.26/274,120.20
  6. Step 6: Final answer
    x = 242,676.82

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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.