Home / 198,040.08-273,296.64-107,396.48

Finding the Fourth Proportional to 198,040.08, 273,296.64 and 107,396.48

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Solution

The fourth proportional to 198,040.08, 273,296.64 and 107,396.48 is: 148,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,040.08 : 273,296.64 = 107,396.48 : x
  2. Step 2: Convert to fraction form
    198,040.08/273,296.64 = 107,396.48/x
  3. Step 3: Cross multiply
    198,040.08x = 273,296.64 × 107,396.48
  4. Step 4: Simplify right side
    198,040.08x = 29,351,097,131.83
  5. Step 5: Solve for x
    x = 29,351,097,131.83/198,040.08
  6. Step 6: Final answer
    x = 148,207.86

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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.