Home / 231,016.08-318,982.68-177,216

Finding the Fourth Proportional to 231,016.08, 318,982.68 and 177,216

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Solution

The fourth proportional to 231,016.08, 318,982.68 and 177,216 is: 244,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,016.08 : 318,982.68 = 177,216 : x
  2. Step 2: Convert to fraction form
    231,016.08/318,982.68 = 177,216/x
  3. Step 3: Cross multiply
    231,016.08x = 318,982.68 × 177,216
  4. Step 4: Simplify right side
    231,016.08x = 56,528,834,618.88
  5. Step 5: Solve for x
    x = 56,528,834,618.88/231,016.08
  6. Step 6: Final answer
    x = 244,696.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.