Home / 214,736.62-321,972.62-72,568.51

Finding the Fourth Proportional to 214,736.62, 321,972.62 and 72,568.51

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Solution

The fourth proportional to 214,736.62, 321,972.62 and 72,568.51 is: 108,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,736.62 : 321,972.62 = 72,568.51 : x
  2. Step 2: Convert to fraction form
    214,736.62/321,972.62 = 72,568.51/x
  3. Step 3: Cross multiply
    214,736.62x = 321,972.62 × 72,568.51
  4. Step 4: Simplify right side
    214,736.62x = 23,365,072,534.62
  5. Step 5: Solve for x
    x = 23,365,072,534.62/214,736.62
  6. Step 6: Final answer
    x = 108,808.05

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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.