Home / 198,133.02-273,423.60-113,251.91

Finding the Fourth Proportional to 198,133.02, 273,423.60 and 113,251.91

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Solution

The fourth proportional to 198,133.02, 273,423.60 and 113,251.91 is: 156,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,133.02 : 273,423.60 = 113,251.91 : x
  2. Step 2: Convert to fraction form
    198,133.02/273,423.60 = 113,251.91/x
  3. Step 3: Cross multiply
    198,133.02x = 273,423.60 × 113,251.91
  4. Step 4: Simplify right side
    198,133.02x = 30,965,743,571.96
  5. Step 5: Solve for x
    x = 30,965,743,571.96/198,133.02
  6. Step 6: Final answer
    x = 156,287.65

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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.