Home / 217,219.93-325,875.26-67,456.33

Finding the Fourth Proportional to 217,219.93, 325,875.26 and 67,456.33

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Solution

The fourth proportional to 217,219.93, 325,875.26 and 67,456.33 is: 101,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,219.93 : 325,875.26 = 67,456.33 : x
  2. Step 2: Convert to fraction form
    217,219.93/325,875.26 = 67,456.33/x
  3. Step 3: Cross multiply
    217,219.93x = 325,875.26 × 67,456.33
  4. Step 4: Simplify right side
    217,219.93x = 21,982,348,740.11
  5. Step 5: Solve for x
    x = 21,982,348,740.11/217,219.93
  6. Step 6: Final answer
    x = 101,198.58

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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.