Home / 198,249.18-273,576.54-107,603.20

Finding the Fourth Proportional to 198,249.18, 273,576.54 and 107,603.20

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Solution

The fourth proportional to 198,249.18, 273,576.54 and 107,603.20 is: 148,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,249.18 : 273,576.54 = 107,603.20 : x
  2. Step 2: Convert to fraction form
    198,249.18/273,576.54 = 107,603.20/x
  3. Step 3: Cross multiply
    198,249.18x = 273,576.54 × 107,603.20
  4. Step 4: Simplify right side
    198,249.18x = 29,437,711,148.93
  5. Step 5: Solve for x
    x = 29,437,711,148.93/198,249.18
  6. Step 6: Final answer
    x = 148,488.44

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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.