Home / 351,481.04-485,044.30-190,336.37

Finding the Fourth Proportional to 351,481.04, 485,044.30 and 190,336.37

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Solution

The fourth proportional to 351,481.04, 485,044.30 and 190,336.37 is: 262,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,481.04 : 485,044.30 = 190,336.37 : x
  2. Step 2: Convert to fraction form
    351,481.04/485,044.30 = 190,336.37/x
  3. Step 3: Cross multiply
    351,481.04x = 485,044.30 × 190,336.37
  4. Step 4: Simplify right side
    351,481.04x = 92,321,569,163.89
  5. Step 5: Solve for x
    x = 92,321,569,163.89/351,481.04
  6. Step 6: Final answer
    x = 262,664.44

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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.