Home / 214,359.41-321,435.24-64,571.78

Finding the Fourth Proportional to 214,359.41, 321,435.24 and 64,571.78

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Solution

The fourth proportional to 214,359.41, 321,435.24 and 64,571.78 is: 96,826.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,359.41 : 321,435.24 = 64,571.78 : x
  2. Step 2: Convert to fraction form
    214,359.41/321,435.24 = 64,571.78/x
  3. Step 3: Cross multiply
    214,359.41x = 321,435.24 × 64,571.78
  4. Step 4: Simplify right side
    214,359.41x = 20,755,646,162.97
  5. Step 5: Solve for x
    x = 20,755,646,162.97/214,359.41
  6. Step 6: Final answer
    x = 96,826.38

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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.