Home / 311,460.75-467,269.16-89,844.75

Finding the Fourth Proportional to 311,460.75, 467,269.16 and 89,844.75

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Solution

The fourth proportional to 311,460.75, 467,269.16 and 89,844.75 is: 134,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,460.75 : 467,269.16 = 89,844.75 : x
  2. Step 2: Convert to fraction form
    311,460.75/467,269.16 = 89,844.75/x
  3. Step 3: Cross multiply
    311,460.75x = 467,269.16 × 89,844.75
  4. Step 4: Simplify right side
    311,460.75x = 41,981,680,413.69
  5. Step 5: Solve for x
    x = 41,981,680,413.69/311,460.75
  6. Step 6: Final answer
    x = 134,789.63

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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.