Home / 217,914.06-326,892.33-84,805.14

Finding the Fourth Proportional to 217,914.06, 326,892.33 and 84,805.14

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Solution

The fourth proportional to 217,914.06, 326,892.33 and 84,805.14 is: 127,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,914.06 : 326,892.33 = 84,805.14 : x
  2. Step 2: Convert to fraction form
    217,914.06/326,892.33 = 84,805.14/x
  3. Step 3: Cross multiply
    217,914.06x = 326,892.33 × 84,805.14
  4. Step 4: Simplify right side
    217,914.06x = 27,722,149,810.58
  5. Step 5: Solve for x
    x = 27,722,149,810.58/217,914.06
  6. Step 6: Final answer
    x = 127,215.98

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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.