Home / 214,151.19-321,227.51-54,227.05

Finding the Fourth Proportional to 214,151.19, 321,227.51 and 54,227.05

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Solution

The fourth proportional to 214,151.19, 321,227.51 and 54,227.05 is: 81,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,151.19 : 321,227.51 = 54,227.05 : x
  2. Step 2: Convert to fraction form
    214,151.19/321,227.51 = 54,227.05/x
  3. Step 3: Cross multiply
    214,151.19x = 321,227.51 × 54,227.05
  4. Step 4: Simplify right side
    214,151.19x = 17,419,218,720.22
  5. Step 5: Solve for x
    x = 17,419,218,720.22/214,151.19
  6. Step 6: Final answer
    x = 81,340.75

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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.