Home / 198,249.44-273,576.89-107,603.45

Finding the Fourth Proportional to 198,249.44, 273,576.89 and 107,603.45

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Solution

The fourth proportional to 198,249.44, 273,576.89 and 107,603.45 is: 148,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,249.44 : 273,576.89 = 107,603.45 : x
  2. Step 2: Convert to fraction form
    198,249.44/273,576.89 = 107,603.45/x
  3. Step 3: Cross multiply
    198,249.44x = 273,576.89 × 107,603.45
  4. Step 4: Simplify right side
    198,249.44x = 29,437,816,666.25
  5. Step 5: Solve for x
    x = 29,437,816,666.25/198,249.44
  6. Step 6: Final answer
    x = 148,488.78

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1.5x scale

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.