Home / 165,140.56-247,715.52-40,481.44

Finding the Fourth Proportional to 165,140.56, 247,715.52 and 40,481.44

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Solution

The fourth proportional to 165,140.56, 247,715.52 and 40,481.44 is: 60,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,140.56 : 247,715.52 = 40,481.44 : x
  2. Step 2: Convert to fraction form
    165,140.56/247,715.52 = 40,481.44/x
  3. Step 3: Cross multiply
    165,140.56x = 247,715.52 × 40,481.44
  4. Step 4: Simplify right side
    165,140.56x = 10,027,880,959.95
  5. Step 5: Solve for x
    x = 10,027,880,959.95/165,140.56
  6. Step 6: Final answer
    x = 60,723.31

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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.