Home / 214,487.03-321,732.39-54,563.12

Finding the Fourth Proportional to 214,487.03, 321,732.39 and 54,563.12

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Solution

The fourth proportional to 214,487.03, 321,732.39 and 54,563.12 is: 81,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,487.03 : 321,732.39 = 54,563.12 : x
  2. Step 2: Convert to fraction form
    214,487.03/321,732.39 = 54,563.12/x
  3. Step 3: Cross multiply
    214,487.03x = 321,732.39 × 54,563.12
  4. Step 4: Simplify right side
    214,487.03x = 17,554,721,538.55
  5. Step 5: Solve for x
    x = 17,554,721,538.55/214,487.03
  6. Step 6: Final answer
    x = 81,845.14

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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.