Home / 214,692.73-321,548.61-102,451.79

Finding the Fourth Proportional to 214,692.73, 321,548.61 and 102,451.79

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Solution

The fourth proportional to 214,692.73, 321,548.61 and 102,451.79 is: 153,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,692.73 : 321,548.61 = 102,451.79 : x
  2. Step 2: Convert to fraction form
    214,692.73/321,548.61 = 102,451.79/x
  3. Step 3: Cross multiply
    214,692.73x = 321,548.61 × 102,451.79
  4. Step 4: Simplify right side
    214,692.73x = 32,943,228,674.57
  5. Step 5: Solve for x
    x = 32,943,228,674.57/214,692.73
  6. Step 6: Final answer
    x = 153,443.62

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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.