Home / 199,375.02-298,974.75-72,982.44

Finding the Fourth Proportional to 199,375.02, 298,974.75 and 72,982.44

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Solution

The fourth proportional to 199,375.02, 298,974.75 and 72,982.44 is: 109,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,375.02 : 298,974.75 = 72,982.44 : x
  2. Step 2: Convert to fraction form
    199,375.02/298,974.75 = 72,982.44/x
  3. Step 3: Cross multiply
    199,375.02x = 298,974.75 × 72,982.44
  4. Step 4: Simplify right side
    199,375.02x = 21,819,906,753.39
  5. Step 5: Solve for x
    x = 21,819,906,753.39/199,375.02
  6. Step 6: Final answer
    x = 109,441.53

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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.