Home / 217,317.27-325,974.31-67,557.28

Finding the Fourth Proportional to 217,317.27, 325,974.31 and 67,557.28

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Solution

The fourth proportional to 217,317.27, 325,974.31 and 67,557.28 is: 101,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,317.27 : 325,974.31 = 67,557.28 : x
  2. Step 2: Convert to fraction form
    217,317.27/325,974.31 = 67,557.28/x
  3. Step 3: Cross multiply
    217,317.27x = 325,974.31 × 67,557.28
  4. Step 4: Simplify right side
    217,317.27x = 22,021,937,733.48
  5. Step 5: Solve for x
    x = 22,021,937,733.48/217,317.27
  6. Step 6: Final answer
    x = 101,335.42

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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.