Home / 329,589.18-494,408.52-140,028.22

Finding the Fourth Proportional to 329,589.18, 494,408.52 and 140,028.22

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Solution

The fourth proportional to 329,589.18, 494,408.52 and 140,028.22 is: 210,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,589.18 : 494,408.52 = 140,028.22 : x
  2. Step 2: Convert to fraction form
    329,589.18/494,408.52 = 140,028.22/x
  3. Step 3: Cross multiply
    329,589.18x = 494,408.52 × 140,028.22
  4. Step 4: Simplify right side
    329,589.18x = 69,231,145,008.43
  5. Step 5: Solve for x
    x = 69,231,145,008.43/329,589.18
  6. Step 6: Final answer
    x = 210,052.85

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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.