Home / 218,141.19-327,211.89-68,393.16

Finding the Fourth Proportional to 218,141.19, 327,211.89 and 68,393.16

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Solution

The fourth proportional to 218,141.19, 327,211.89 and 68,393.16 is: 102,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,141.19 : 327,211.89 = 68,393.16 : x
  2. Step 2: Convert to fraction form
    218,141.19/327,211.89 = 68,393.16/x
  3. Step 3: Cross multiply
    218,141.19x = 327,211.89 × 68,393.16
  4. Step 4: Simplify right side
    218,141.19x = 22,379,054,890.20
  5. Step 5: Solve for x
    x = 22,379,054,890.20/218,141.19
  6. Step 6: Final answer
    x = 102,589.77

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1.5x scale

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.