Home / 372,198.07-513,468.61-228,873.43

Finding the Fourth Proportional to 372,198.07, 513,468.61 and 228,873.43

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Solution

The fourth proportional to 372,198.07, 513,468.61 and 228,873.43 is: 315,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,198.07 : 513,468.61 = 228,873.43 : x
  2. Step 2: Convert to fraction form
    372,198.07/513,468.61 = 228,873.43/x
  3. Step 3: Cross multiply
    372,198.07x = 513,468.61 × 228,873.43
  4. Step 4: Simplify right side
    372,198.07x = 117,519,321,968.03
  5. Step 5: Solve for x
    x = 117,519,321,968.03/372,198.07
  6. Step 6: Final answer
    x = 315,744.04

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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.