Home / 279,178.22-417,878.30-222,380.46

Finding the Fourth Proportional to 279,178.22, 417,878.30 and 222,380.46

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Solution

The fourth proportional to 279,178.22, 417,878.30 and 222,380.46 is: 332,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,178.22 : 417,878.30 = 222,380.46 : x
  2. Step 2: Convert to fraction form
    279,178.22/417,878.30 = 222,380.46/x
  3. Step 3: Cross multiply
    279,178.22x = 417,878.30 × 222,380.46
  4. Step 4: Simplify right side
    279,178.22x = 92,927,969,133.97
  5. Step 5: Solve for x
    x = 92,927,969,133.97/279,178.22
  6. Step 6: Final answer
    x = 332,862.53

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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.