Home / 327,109.35-451,344.64-191,117.03

Finding the Fourth Proportional to 327,109.35, 451,344.64 and 191,117.03

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Solution

The fourth proportional to 327,109.35, 451,344.64 and 191,117.03 is: 263,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,109.35 : 451,344.64 = 191,117.03 : x
  2. Step 2: Convert to fraction form
    327,109.35/451,344.64 = 191,117.03/x
  3. Step 3: Cross multiply
    327,109.35x = 451,344.64 × 191,117.03
  4. Step 4: Simplify right side
    327,109.35x = 86,259,647,103.22
  5. Step 5: Solve for x
    x = 86,259,647,103.22/327,109.35
  6. Step 6: Final answer
    x = 263,702.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.