Home / 218,628.72-327,964.75-60,857.12

Finding the Fourth Proportional to 218,628.72, 327,964.75 and 60,857.12

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Solution

The fourth proportional to 218,628.72, 327,964.75 and 60,857.12 is: 91,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,628.72 : 327,964.75 = 60,857.12 : x
  2. Step 2: Convert to fraction form
    218,628.72/327,964.75 = 60,857.12/x
  3. Step 3: Cross multiply
    218,628.72x = 327,964.75 × 60,857.12
  4. Step 4: Simplify right side
    218,628.72x = 19,958,990,814.29
  5. Step 5: Solve for x
    x = 19,958,990,814.29/218,628.72
  6. Step 6: Final answer
    x = 91,291.72

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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.