Home / 248,867.20-343,305.78-168,321.80

Finding the Fourth Proportional to 248,867.20, 343,305.78 and 168,321.80

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Solution

The fourth proportional to 248,867.20, 343,305.78 and 168,321.80 is: 232,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,867.20 : 343,305.78 = 168,321.80 : x
  2. Step 2: Convert to fraction form
    248,867.20/343,305.78 = 168,321.80/x
  3. Step 3: Cross multiply
    248,867.20x = 343,305.78 × 168,321.80
  4. Step 4: Simplify right side
    248,867.20x = 57,785,846,840.00
  5. Step 5: Solve for x
    x = 57,785,846,840.00/248,867.20
  6. Step 6: Final answer
    x = 232,195.51

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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.