Home / 327,867.41-491,801.99-91,210.11

Finding the Fourth Proportional to 327,867.41, 491,801.99 and 91,210.11

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Solution

The fourth proportional to 327,867.41, 491,801.99 and 91,210.11 is: 136,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,867.41 : 491,801.99 = 91,210.11 : x
  2. Step 2: Convert to fraction form
    327,867.41/491,801.99 = 91,210.11/x
  3. Step 3: Cross multiply
    327,867.41x = 491,801.99 × 91,210.11
  4. Step 4: Simplify right side
    327,867.41x = 44,857,313,606.12
  5. Step 5: Solve for x
    x = 44,857,313,606.12/327,867.41
  6. Step 6: Final answer
    x = 136,815.41

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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.