Home / 198,784.68-274,332.42-113,901.96

Finding the Fourth Proportional to 198,784.68, 274,332.42 and 113,901.96

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Solution

The fourth proportional to 198,784.68, 274,332.42 and 113,901.96 is: 157,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,784.68 : 274,332.42 = 113,901.96 : x
  2. Step 2: Convert to fraction form
    198,784.68/274,332.42 = 113,901.96/x
  3. Step 3: Cross multiply
    198,784.68x = 274,332.42 × 113,901.96
  4. Step 4: Simplify right side
    198,784.68x = 31,247,000,329.54
  5. Step 5: Solve for x
    x = 31,247,000,329.54/198,784.68
  6. Step 6: Final answer
    x = 157,190.18

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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.