Home / 214,640.43-321,887.75-74,366.31

Finding the Fourth Proportional to 214,640.43, 321,887.75 and 74,366.31

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Solution

The fourth proportional to 214,640.43, 321,887.75 and 74,366.31 is: 111,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,640.43 : 321,887.75 = 74,366.31 : x
  2. Step 2: Convert to fraction form
    214,640.43/321,887.75 = 74,366.31/x
  3. Step 3: Cross multiply
    214,640.43x = 321,887.75 × 74,366.31
  4. Step 4: Simplify right side
    214,640.43x = 23,937,603,829.87
  5. Step 5: Solve for x
    x = 23,937,603,829.87/214,640.43
  6. Step 6: Final answer
    x = 111,524.21

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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.