Home / 198,939.41-298,412.28-110,753.45

Finding the Fourth Proportional to 198,939.41, 298,412.28 and 110,753.45

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Solution

The fourth proportional to 198,939.41, 298,412.28 and 110,753.45 is: 166,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,939.41 : 298,412.28 = 110,753.45 : x
  2. Step 2: Convert to fraction form
    198,939.41/298,412.28 = 110,753.45/x
  3. Step 3: Cross multiply
    198,939.41x = 298,412.28 × 110,753.45
  4. Step 4: Simplify right side
    198,939.41x = 33,050,188,040.30
  5. Step 5: Solve for x
    x = 33,050,188,040.30/198,939.41
  6. Step 6: Final answer
    x = 166,131.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.