Home / 198,508.09-273,910.32-117,933.55

Finding the Fourth Proportional to 198,508.09, 273,910.32 and 117,933.55

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Solution

The fourth proportional to 198,508.09, 273,910.32 and 117,933.55 is: 162,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,508.09 : 273,910.32 = 117,933.55 : x
  2. Step 2: Convert to fraction form
    198,508.09/273,910.32 = 117,933.55/x
  3. Step 3: Cross multiply
    198,508.09x = 273,910.32 × 117,933.55
  4. Step 4: Simplify right side
    198,508.09x = 32,303,216,419.24
  5. Step 5: Solve for x
    x = 32,303,216,419.24/198,508.09
  6. Step 6: Final answer
    x = 162,729.97

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1.5x scale

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.