Home / 161,944.41-223,367.61-140,395.65

Finding the Fourth Proportional to 161,944.41, 223,367.61 and 140,395.65

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Solution

The fourth proportional to 161,944.41, 223,367.61 and 140,395.65 is: 193,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.41 : 223,367.61 = 140,395.65 : x
  2. Step 2: Convert to fraction form
    161,944.41/223,367.61 = 140,395.65/x
  3. Step 3: Cross multiply
    161,944.41x = 223,367.61 × 140,395.65
  4. Step 4: Simplify right side
    161,944.41x = 31,359,840,794.90
  5. Step 5: Solve for x
    x = 31,359,840,794.90/161,944.41
  6. Step 6: Final answer
    x = 193,645.71

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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.