Home / 161,947.92-223,372.44-140,399.15

Finding the Fourth Proportional to 161,947.92, 223,372.44 and 140,399.15

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Solution

The fourth proportional to 161,947.92, 223,372.44 and 140,399.15 is: 193,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,947.92 : 223,372.44 = 140,399.15 : x
  2. Step 2: Convert to fraction form
    161,947.92/223,372.44 = 140,399.15/x
  3. Step 3: Cross multiply
    161,947.92x = 223,372.44 × 140,399.15
  4. Step 4: Simplify right side
    161,947.92x = 31,361,299,592.56
  5. Step 5: Solve for x
    x = 31,361,299,592.56/161,947.92
  6. Step 6: Final answer
    x = 193,650.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.