Home / 327,621.70-452,257.44-220,254

Finding the Fourth Proportional to 327,621.70, 452,257.44 and 220,254

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Solution

The fourth proportional to 327,621.70, 452,257.44 and 220,254 is: 304,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,621.70 : 452,257.44 = 220,254 : x
  2. Step 2: Convert to fraction form
    327,621.70/452,257.44 = 220,254/x
  3. Step 3: Cross multiply
    327,621.70x = 452,257.44 × 220,254
  4. Step 4: Simplify right side
    327,621.70x = 99,611,510,189.76
  5. Step 5: Solve for x
    x = 99,611,510,189.76/327,621.70
  6. Step 6: Final answer
    x = 304,044.30

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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.