Home / 217,996.48-327,144.16-84,877.44

Finding the Fourth Proportional to 217,996.48, 327,144.16 and 84,877.44

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Solution

The fourth proportional to 217,996.48, 327,144.16 and 84,877.44 is: 127,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,996.48 : 327,144.16 = 84,877.44 : x
  2. Step 2: Convert to fraction form
    217,996.48/327,144.16 = 84,877.44/x
  3. Step 3: Cross multiply
    217,996.48x = 327,144.16 × 84,877.44
  4. Step 4: Simplify right side
    217,996.48x = 27,767,158,811.75
  5. Step 5: Solve for x
    x = 27,767,158,811.75/217,996.48
  6. Step 6: Final answer
    x = 127,374.34

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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.