Home / 218,538.72-327,812.40-60,764.94

Finding the Fourth Proportional to 218,538.72, 327,812.40 and 60,764.94

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Solution

The fourth proportional to 218,538.72, 327,812.40 and 60,764.94 is: 91,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,538.72 : 327,812.40 = 60,764.94 : x
  2. Step 2: Convert to fraction form
    218,538.72/327,812.40 = 60,764.94/x
  3. Step 3: Cross multiply
    218,538.72x = 327,812.40 × 60,764.94
  4. Step 4: Simplify right side
    218,538.72x = 19,919,500,817.26
  5. Step 5: Solve for x
    x = 19,919,500,817.26/218,538.72
  6. Step 6: Final answer
    x = 91,148.61

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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.