Home / 198,493.79-273,918.11-107,851.14

Finding the Fourth Proportional to 198,493.79, 273,918.11 and 107,851.14

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Solution

The fourth proportional to 198,493.79, 273,918.11 and 107,851.14 is: 148,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,493.79 : 273,918.11 = 107,851.14 : x
  2. Step 2: Convert to fraction form
    198,493.79/273,918.11 = 107,851.14/x
  3. Step 3: Cross multiply
    198,493.79x = 273,918.11 × 107,851.14
  4. Step 4: Simplify right side
    198,493.79x = 29,542,379,890.89
  5. Step 5: Solve for x
    x = 29,542,379,890.89/198,493.79
  6. Step 6: Final answer
    x = 148,832.77

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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.