Home / 214,422.16-321,529.26-64,634.54

Finding the Fourth Proportional to 214,422.16, 321,529.26 and 64,634.54

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Solution

The fourth proportional to 214,422.16, 321,529.26 and 64,634.54 is: 96,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,422.16 : 321,529.26 = 64,634.54 : x
  2. Step 2: Convert to fraction form
    214,422.16/321,529.26 = 64,634.54/x
  3. Step 3: Cross multiply
    214,422.16x = 321,529.26 × 64,634.54
  4. Step 4: Simplify right side
    214,422.16x = 20,781,895,816.64
  5. Step 5: Solve for x
    x = 20,781,895,816.64/214,422.16
  6. Step 6: Final answer
    x = 96,920.47

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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.