Home / 372,199.07-513,469.99-228,874.43

Finding the Fourth Proportional to 372,199.07, 513,469.99 and 228,874.43

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Solution

The fourth proportional to 372,199.07, 513,469.99 and 228,874.43 is: 315,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,199.07 : 513,469.99 = 228,874.43 : x
  2. Step 2: Convert to fraction form
    372,199.07/513,469.99 = 228,874.43/x
  3. Step 3: Cross multiply
    372,199.07x = 513,469.99 × 228,874.43
  4. Step 4: Simplify right side
    372,199.07x = 117,520,151,283.36
  5. Step 5: Solve for x
    x = 117,520,151,283.36/372,199.07
  6. Step 6: Final answer
    x = 315,745.42

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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.