Home / 214,974.40-321,847.20-132,030.40

Finding the Fourth Proportional to 214,974.40, 321,847.20 and 132,030.40

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Solution

The fourth proportional to 214,974.40, 321,847.20 and 132,030.40 is: 197,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,974.40 : 321,847.20 = 132,030.40 : x
  2. Step 2: Convert to fraction form
    214,974.40/321,847.20 = 132,030.40/x
  3. Step 3: Cross multiply
    214,974.40x = 321,847.20 × 132,030.40
  4. Step 4: Simplify right side
    214,974.40x = 42,493,614,554.88
  5. Step 5: Solve for x
    x = 42,493,614,554.88/214,974.40
  6. Step 6: Final answer
    x = 197,668.26

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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.