Home / 214,396.29-321,594.44-74,078.37

Finding the Fourth Proportional to 214,396.29, 321,594.44 and 74,078.37

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Solution

The fourth proportional to 214,396.29, 321,594.44 and 74,078.37 is: 111,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,396.29 : 321,594.44 = 74,078.37 : x
  2. Step 2: Convert to fraction form
    214,396.29/321,594.44 = 74,078.37/x
  3. Step 3: Cross multiply
    214,396.29x = 321,594.44 × 74,078.37
  4. Step 4: Simplify right side
    214,396.29x = 23,823,191,545.87
  5. Step 5: Solve for x
    x = 23,823,191,545.87/214,396.29
  6. Step 6: Final answer
    x = 111,117.56

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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.