Home / 198,585.60-274,049.64-107,941.56

Finding the Fourth Proportional to 198,585.60, 274,049.64 and 107,941.56

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Solution

The fourth proportional to 198,585.60, 274,049.64 and 107,941.56 is: 148,960.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,585.60 : 274,049.64 = 107,941.56 : x
  2. Step 2: Convert to fraction form
    198,585.60/274,049.64 = 107,941.56/x
  3. Step 3: Cross multiply
    198,585.60x = 274,049.64 × 107,941.56
  4. Step 4: Simplify right side
    198,585.60x = 29,581,345,659.04
  5. Step 5: Solve for x
    x = 29,581,345,659.04/198,585.60
  6. Step 6: Final answer
    x = 148,960.17

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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.