Home / 218,570.24-327,826.62-68,811.30

Finding the Fourth Proportional to 218,570.24, 327,826.62 and 68,811.30

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Solution

The fourth proportional to 218,570.24, 327,826.62 and 68,811.30 is: 103,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,570.24 : 327,826.62 = 68,811.30 : x
  2. Step 2: Convert to fraction form
    218,570.24/327,826.62 = 68,811.30/x
  3. Step 3: Cross multiply
    218,570.24x = 327,826.62 × 68,811.30
  4. Step 4: Simplify right side
    218,570.24x = 22,558,175,896.81
  5. Step 5: Solve for x
    x = 22,558,175,896.81/218,570.24
  6. Step 6: Final answer
    x = 103,207.90

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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.