Home / 198,342.15-273,704.69-107,696.15

Finding the Fourth Proportional to 198,342.15, 273,704.69 and 107,696.15

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Solution

The fourth proportional to 198,342.15, 273,704.69 and 107,696.15 is: 148,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,342.15 : 273,704.69 = 107,696.15 : x
  2. Step 2: Convert to fraction form
    198,342.15/273,704.69 = 107,696.15/x
  3. Step 3: Cross multiply
    198,342.15x = 273,704.69 × 107,696.15
  4. Step 4: Simplify right side
    198,342.15x = 29,476,939,442.94
  5. Step 5: Solve for x
    x = 29,476,939,442.94/198,342.15
  6. Step 6: Final answer
    x = 148,616.62

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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.