Home / 356,334.09-491,723.57-195,189.86

Finding the Fourth Proportional to 356,334.09, 491,723.57 and 195,189.86

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Solution

The fourth proportional to 356,334.09, 491,723.57 and 195,189.86 is: 269,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,334.09 : 491,723.57 = 195,189.86 : x
  2. Step 2: Convert to fraction form
    356,334.09/491,723.57 = 195,189.86/x
  3. Step 3: Cross multiply
    356,334.09x = 491,723.57 × 195,189.86
  4. Step 4: Simplify right side
    356,334.09x = 95,979,454,787.00
  5. Step 5: Solve for x
    x = 95,979,454,787.00/356,334.09
  6. Step 6: Final answer
    x = 269,352.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.