Home / 264,481.49-364,983.30-143,621.78

Finding the Fourth Proportional to 264,481.49, 364,983.30 and 143,621.78

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Solution

The fourth proportional to 264,481.49, 364,983.30 and 143,621.78 is: 198,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,481.49 : 364,983.30 = 143,621.78 : x
  2. Step 2: Convert to fraction form
    264,481.49/364,983.30 = 143,621.78/x
  3. Step 3: Cross multiply
    264,481.49x = 364,983.30 × 143,621.78
  4. Step 4: Simplify right side
    264,481.49x = 52,419,551,216.27
  5. Step 5: Solve for x
    x = 52,419,551,216.27/264,481.49
  6. Step 6: Final answer
    x = 198,197.43

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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.