Home / 214,747.11-321,630.12-102,506.33

Finding the Fourth Proportional to 214,747.11, 321,630.12 and 102,506.33

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Solution

The fourth proportional to 214,747.11, 321,630.12 and 102,506.33 is: 153,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,747.11 : 321,630.12 = 102,506.33 : x
  2. Step 2: Convert to fraction form
    214,747.11/321,630.12 = 102,506.33/x
  3. Step 3: Cross multiply
    214,747.11x = 321,630.12 × 102,506.33
  4. Step 4: Simplify right side
    214,747.11x = 32,969,124,022.73
  5. Step 5: Solve for x
    x = 32,969,124,022.73/214,747.11
  6. Step 6: Final answer
    x = 153,525.34

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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.