Home / 217,618.22-326,322.27-91,224.52

Finding the Fourth Proportional to 217,618.22, 326,322.27 and 91,224.52

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Solution

The fourth proportional to 217,618.22, 326,322.27 and 91,224.52 is: 136,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,618.22 : 326,322.27 = 91,224.52 : x
  2. Step 2: Convert to fraction form
    217,618.22/326,322.27 = 91,224.52/x
  3. Step 3: Cross multiply
    217,618.22x = 326,322.27 × 91,224.52
  4. Step 4: Simplify right side
    217,618.22x = 29,768,591,630.25
  5. Step 5: Solve for x
    x = 29,768,591,630.25/217,618.22
  6. Step 6: Final answer
    x = 136,792.73

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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.