Home / 198,105.44-273,384.33-107,461.58

Finding the Fourth Proportional to 198,105.44, 273,384.33 and 107,461.58

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Solution

The fourth proportional to 198,105.44, 273,384.33 and 107,461.58 is: 148,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,105.44 : 273,384.33 = 107,461.58 : x
  2. Step 2: Convert to fraction form
    198,105.44/273,384.33 = 107,461.58/x
  3. Step 3: Cross multiply
    198,105.44x = 273,384.33 × 107,461.58
  4. Step 4: Simplify right side
    198,105.44x = 29,378,312,049.04
  5. Step 5: Solve for x
    x = 29,378,312,049.04/198,105.44
  6. Step 6: Final answer
    x = 148,296.34

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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.