Home / 214,481.36-321,724.51-64,722.95

Finding the Fourth Proportional to 214,481.36, 321,724.51 and 64,722.95

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Solution

The fourth proportional to 214,481.36, 321,724.51 and 64,722.95 is: 97,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,481.36 : 321,724.51 = 64,722.95 : x
  2. Step 2: Convert to fraction form
    214,481.36/321,724.51 = 64,722.95/x
  3. Step 3: Cross multiply
    214,481.36x = 321,724.51 × 64,722.95
  4. Step 4: Simplify right side
    214,481.36x = 20,822,957,765.88
  5. Step 5: Solve for x
    x = 20,822,957,765.88/214,481.36
  6. Step 6: Final answer
    x = 97,085.17

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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.