Home / 218,400.83-327,588.91-96,786.34

Finding the Fourth Proportional to 218,400.83, 327,588.91 and 96,786.34

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Solution

The fourth proportional to 218,400.83, 327,588.91 and 96,786.34 is: 145,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,400.83 : 327,588.91 = 96,786.34 : x
  2. Step 2: Convert to fraction form
    218,400.83/327,588.91 = 96,786.34/x
  3. Step 3: Cross multiply
    218,400.83x = 327,588.91 × 96,786.34
  4. Step 4: Simplify right side
    218,400.83x = 31,706,131,623.49
  5. Step 5: Solve for x
    x = 31,706,131,623.49/218,400.83
  6. Step 6: Final answer
    x = 145,174.04

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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.