Home / 217,926.08-326,910.36-84,817.16

Finding the Fourth Proportional to 217,926.08, 326,910.36 and 84,817.16

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Solution

The fourth proportional to 217,926.08, 326,910.36 and 84,817.16 is: 127,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,926.08 : 326,910.36 = 84,817.16 : x
  2. Step 2: Convert to fraction form
    217,926.08/326,910.36 = 84,817.16/x
  3. Step 3: Cross multiply
    217,926.08x = 326,910.36 × 84,817.16
  4. Step 4: Simplify right side
    217,926.08x = 27,727,608,309.78
  5. Step 5: Solve for x
    x = 27,727,608,309.78/217,926.08
  6. Step 6: Final answer
    x = 127,234.01

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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.