Home / 323,917.36-447,025.98-178,722.43

Finding the Fourth Proportional to 323,917.36, 447,025.98 and 178,722.43

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Solution

The fourth proportional to 323,917.36, 447,025.98 and 178,722.43 is: 246,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,917.36 : 447,025.98 = 178,722.43 : x
  2. Step 2: Convert to fraction form
    323,917.36/447,025.98 = 178,722.43/x
  3. Step 3: Cross multiply
    323,917.36x = 447,025.98 × 178,722.43
  4. Step 4: Simplify right side
    323,917.36x = 79,893,569,418.73
  5. Step 5: Solve for x
    x = 79,893,569,418.73/323,917.36
  6. Step 6: Final answer
    x = 246,648.00

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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.