Home / 327,544.90-491,317.35-90,887.62

Finding the Fourth Proportional to 327,544.90, 491,317.35 and 90,887.62

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Solution

The fourth proportional to 327,544.90, 491,317.35 and 90,887.62 is: 136,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,544.90 : 491,317.35 = 90,887.62 : x
  2. Step 2: Convert to fraction form
    327,544.90/491,317.35 = 90,887.62/x
  3. Step 3: Cross multiply
    327,544.90x = 491,317.35 × 90,887.62
  4. Step 4: Simplify right side
    327,544.90x = 44,654,664,606.21
  5. Step 5: Solve for x
    x = 44,654,664,606.21/327,544.90
  6. Step 6: Final answer
    x = 136,331.43

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Similar ratio
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1.5x scale

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.