Home / 198,073.20-273,288.27-117,433.65

Finding the Fourth Proportional to 198,073.20, 273,288.27 and 117,433.65

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Solution

The fourth proportional to 198,073.20, 273,288.27 and 117,433.65 is: 162,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,073.20 : 273,288.27 = 117,433.65 : x
  2. Step 2: Convert to fraction form
    198,073.20/273,288.27 = 117,433.65/x
  3. Step 3: Cross multiply
    198,073.20x = 273,288.27 × 117,433.65
  4. Step 4: Simplify right side
    198,073.20x = 32,093,239,048.29
  5. Step 5: Solve for x
    x = 32,093,239,048.29/198,073.20
  6. Step 6: Final answer
    x = 162,027.16

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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.