Home / 228,900.06-343,342.80-60,415.20

Finding the Fourth Proportional to 228,900.06, 343,342.80 and 60,415.20

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Solution

The fourth proportional to 228,900.06, 343,342.80 and 60,415.20 is: 90,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,900.06 : 343,342.80 = 60,415.20 : x
  2. Step 2: Convert to fraction form
    228,900.06/343,342.80 = 60,415.20/x
  3. Step 3: Cross multiply
    228,900.06x = 343,342.80 × 60,415.20
  4. Step 4: Simplify right side
    228,900.06x = 20,743,123,930.56
  5. Step 5: Solve for x
    x = 20,743,123,930.56/228,900.06
  6. Step 6: Final answer
    x = 90,620.88

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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.