Home / 194,724.84-268,540.16-149,404.72

Finding the Fourth Proportional to 194,724.84, 268,540.16 and 149,404.72

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Solution

The fourth proportional to 194,724.84, 268,540.16 and 149,404.72 is: 206,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,724.84 : 268,540.16 = 149,404.72 : x
  2. Step 2: Convert to fraction form
    194,724.84/268,540.16 = 149,404.72/x
  3. Step 3: Cross multiply
    194,724.84x = 268,540.16 × 149,404.72
  4. Step 4: Simplify right side
    194,724.84x = 40,121,167,413.56
  5. Step 5: Solve for x
    x = 40,121,167,413.56/194,724.84
  6. Step 6: Final answer
    x = 206,040.32

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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.