Home / 214,619.27-321,935.76-107,945.01

Finding the Fourth Proportional to 214,619.27, 321,935.76 and 107,945.01

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Solution

The fourth proportional to 214,619.27, 321,935.76 and 107,945.01 is: 161,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,619.27 : 321,935.76 = 107,945.01 : x
  2. Step 2: Convert to fraction form
    214,619.27/321,935.76 = 107,945.01/x
  3. Step 3: Cross multiply
    214,619.27x = 321,935.76 × 107,945.01
  4. Step 4: Simplify right side
    214,619.27x = 34,751,356,683.15
  5. Step 5: Solve for x
    x = 34,751,356,683.15/214,619.27
  6. Step 6: Final answer
    x = 161,920.95

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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.