Home / 198,362.24-273,619.68-117,736.64

Finding the Fourth Proportional to 198,362.24, 273,619.68 and 117,736.64

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Solution

The fourth proportional to 198,362.24, 273,619.68 and 117,736.64 is: 162,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,362.24 : 273,619.68 = 117,736.64 : x
  2. Step 2: Convert to fraction form
    198,362.24/273,619.68 = 117,736.64/x
  3. Step 3: Cross multiply
    198,362.24x = 273,619.68 × 117,736.64
  4. Step 4: Simplify right side
    198,362.24x = 32,215,061,761.08
  5. Step 5: Solve for x
    x = 32,215,061,761.08/198,362.24
  6. Step 6: Final answer
    x = 162,405.21

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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.