Home / 214,464.67-321,487.77-102,114.70

Finding the Fourth Proportional to 214,464.67, 321,487.77 and 102,114.70

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Solution

The fourth proportional to 214,464.67, 321,487.77 and 102,114.70 is: 153,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,464.67 : 321,487.77 = 102,114.70 : x
  2. Step 2: Convert to fraction form
    214,464.67/321,487.77 = 102,114.70/x
  3. Step 3: Cross multiply
    214,464.67x = 321,487.77 × 102,114.70
  4. Step 4: Simplify right side
    214,464.67x = 32,828,626,766.43
  5. Step 5: Solve for x
    x = 32,828,626,766.43/214,464.67
  6. Step 6: Final answer
    x = 153,072.43

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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.