Home / 198,530.84-273,974.38-107,886.84

Finding the Fourth Proportional to 198,530.84, 273,974.38 and 107,886.84

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Solution

The fourth proportional to 198,530.84, 273,974.38 and 107,886.84 is: 148,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,530.84 : 273,974.38 = 107,886.84 : x
  2. Step 2: Convert to fraction form
    198,530.84/273,974.38 = 107,886.84/x
  3. Step 3: Cross multiply
    198,530.84x = 273,974.38 × 107,886.84
  4. Step 4: Simplify right side
    198,530.84x = 29,558,230,099.16
  5. Step 5: Solve for x
    x = 29,558,230,099.16/198,530.84
  6. Step 6: Final answer
    x = 148,884.83

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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.