Home / 327,635.19-491,452.43-103,015.31

Finding the Fourth Proportional to 327,635.19, 491,452.43 and 103,015.31

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Solution

The fourth proportional to 327,635.19, 491,452.43 and 103,015.31 is: 154,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,635.19 : 491,452.43 = 103,015.31 : x
  2. Step 2: Convert to fraction form
    327,635.19/491,452.43 = 103,015.31/x
  3. Step 3: Cross multiply
    327,635.19x = 491,452.43 × 103,015.31
  4. Step 4: Simplify right side
    327,635.19x = 50,627,121,454.36
  5. Step 5: Solve for x
    x = 50,627,121,454.36/327,635.19
  6. Step 6: Final answer
    x = 154,522.84

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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.