Home / 214,576.68-321,792.12-74,302.50

Finding the Fourth Proportional to 214,576.68, 321,792.12 and 74,302.50

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Solution

The fourth proportional to 214,576.68, 321,792.12 and 74,302.50 is: 111,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,576.68 : 321,792.12 = 74,302.50 : x
  2. Step 2: Convert to fraction form
    214,576.68/321,792.12 = 74,302.50/x
  3. Step 3: Cross multiply
    214,576.68x = 321,792.12 × 74,302.50
  4. Step 4: Simplify right side
    214,576.68x = 23,909,958,996.30
  5. Step 5: Solve for x
    x = 23,909,958,996.30/214,576.68
  6. Step 6: Final answer
    x = 111,428.51

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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.