Home / 218,417.06-327,625.20-68,670.41

Finding the Fourth Proportional to 218,417.06, 327,625.20 and 68,670.41

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Solution

The fourth proportional to 218,417.06, 327,625.20 and 68,670.41 is: 103,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,417.06 : 327,625.20 = 68,670.41 : x
  2. Step 2: Convert to fraction form
    218,417.06/327,625.20 = 68,670.41/x
  3. Step 3: Cross multiply
    218,417.06x = 327,625.20 × 68,670.41
  4. Step 4: Simplify right side
    218,417.06x = 22,498,156,810.33
  5. Step 5: Solve for x
    x = 22,498,156,810.33/218,417.06
  6. Step 6: Final answer
    x = 103,005.49

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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.