Home / 198,427.37-273,786.99-117,881.97

Finding the Fourth Proportional to 198,427.37, 273,786.99 and 117,881.97

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Solution

The fourth proportional to 198,427.37, 273,786.99 and 117,881.97 is: 162,651.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427.37 : 273,786.99 = 117,881.97 : x
  2. Step 2: Convert to fraction form
    198,427.37/273,786.99 = 117,881.97/x
  3. Step 3: Cross multiply
    198,427.37x = 273,786.99 × 117,881.97
  4. Step 4: Simplify right side
    198,427.37x = 32,274,549,741.57
  5. Step 5: Solve for x
    x = 32,274,549,741.57/198,427.37
  6. Step 6: Final answer
    x = 162,651.71

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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.