Home / 214,115.67-321,172.56-64,355.31

Finding the Fourth Proportional to 214,115.67, 321,172.56 and 64,355.31

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Solution

The fourth proportional to 214,115.67, 321,172.56 and 64,355.31 is: 96,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,115.67 : 321,172.56 = 64,355.31 : x
  2. Step 2: Convert to fraction form
    214,115.67/321,172.56 = 64,355.31/x
  3. Step 3: Cross multiply
    214,115.67x = 321,172.56 × 64,355.31
  4. Step 4: Simplify right side
    214,115.67x = 20,669,159,662.29
  5. Step 5: Solve for x
    x = 20,669,159,662.29/214,115.67
  6. Step 6: Final answer
    x = 96,532.68

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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.