Home / 327,828.87-491,813.17-185,742.21

Finding the Fourth Proportional to 327,828.87, 491,813.17 and 185,742.21

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Solution

The fourth proportional to 327,828.87, 491,813.17 and 185,742.21 is: 278,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,828.87 : 491,813.17 = 185,742.21 : x
  2. Step 2: Convert to fraction form
    327,828.87/491,813.17 = 185,742.21/x
  3. Step 3: Cross multiply
    327,828.87x = 491,813.17 × 185,742.21
  4. Step 4: Simplify right side
    327,828.87x = 91,350,466,482.85
  5. Step 5: Solve for x
    x = 91,350,466,482.85/327,828.87
  6. Step 6: Final answer
    x = 278,652.90

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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.