Home / 198,930.63-298,399.02-110,744.64

Finding the Fourth Proportional to 198,930.63, 298,399.02 and 110,744.64

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Solution

The fourth proportional to 198,930.63, 298,399.02 and 110,744.64 is: 166,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,930.63 : 298,399.02 = 110,744.64 : x
  2. Step 2: Convert to fraction form
    198,930.63/298,399.02 = 110,744.64/x
  3. Step 3: Cross multiply
    198,930.63x = 298,399.02 × 110,744.64
  4. Step 4: Simplify right side
    198,930.63x = 33,046,092,046.25
  5. Step 5: Solve for x
    x = 33,046,092,046.25/198,930.63
  6. Step 6: Final answer
    x = 166,118.67

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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.