Home / 228,910.06-343,357.80-60,425.20

Finding the Fourth Proportional to 228,910.06, 343,357.80 and 60,425.20

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Solution

The fourth proportional to 228,910.06, 343,357.80 and 60,425.20 is: 90,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,910.06 : 343,357.80 = 60,425.20 : x
  2. Step 2: Convert to fraction form
    228,910.06/343,357.80 = 60,425.20/x
  3. Step 3: Cross multiply
    228,910.06x = 343,357.80 × 60,425.20
  4. Step 4: Simplify right side
    228,910.06x = 20,747,463,736.56
  5. Step 5: Solve for x
    x = 20,747,463,736.56/228,910.06
  6. Step 6: Final answer
    x = 90,635.88

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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.