Home / 327,756.21-491,631.58-91,098.21

Finding the Fourth Proportional to 327,756.21, 491,631.58 and 91,098.21

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Solution

The fourth proportional to 327,756.21, 491,631.58 and 91,098.21 is: 136,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,756.21 : 491,631.58 = 91,098.21 : x
  2. Step 2: Convert to fraction form
    327,756.21/491,631.58 = 91,098.21/x
  3. Step 3: Cross multiply
    327,756.21x = 491,631.58 × 91,098.21
  4. Step 4: Simplify right side
    327,756.21x = 44,786,756,917.47
  5. Step 5: Solve for x
    x = 44,786,756,917.47/327,756.21
  6. Step 6: Final answer
    x = 136,646.55

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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.