Home / 194,418.40-291,757.20-89,183.20

Finding the Fourth Proportional to 194,418.40, 291,757.20 and 89,183.20

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Solution

The fourth proportional to 194,418.40, 291,757.20 and 89,183.20 is: 133,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,418.40 : 291,757.20 = 89,183.20 : x
  2. Step 2: Convert to fraction form
    194,418.40/291,757.20 = 89,183.20/x
  3. Step 3: Cross multiply
    194,418.40x = 291,757.20 × 89,183.20
  4. Step 4: Simplify right side
    194,418.40x = 26,019,840,719.04
  5. Step 5: Solve for x
    x = 26,019,840,719.04/194,418.40
  6. Step 6: Final answer
    x = 133,834.25

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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.