Home / 214,218.27-321,215.09-73,943.55

Finding the Fourth Proportional to 214,218.27, 321,215.09 and 73,943.55

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Solution

The fourth proportional to 214,218.27, 321,215.09 and 73,943.55 is: 110,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,218.27 : 321,215.09 = 73,943.55 : x
  2. Step 2: Convert to fraction form
    214,218.27/321,215.09 = 73,943.55/x
  3. Step 3: Cross multiply
    214,218.27x = 321,215.09 × 73,943.55
  4. Step 4: Simplify right side
    214,218.27x = 23,751,783,698.45
  5. Step 5: Solve for x
    x = 23,751,783,698.45/214,218.27
  6. Step 6: Final answer
    x = 110,876.55

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1.5x scale

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.