Home / 214,481.11-321,724.14-64,722.69

Finding the Fourth Proportional to 214,481.11, 321,724.14 and 64,722.69

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Solution

The fourth proportional to 214,481.11, 321,724.14 and 64,722.69 is: 97,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,481.11 : 321,724.14 = 64,722.69 : x
  2. Step 2: Convert to fraction form
    214,481.11/321,724.14 = 64,722.69/x
  3. Step 3: Cross multiply
    214,481.11x = 321,724.14 × 64,722.69
  4. Step 4: Simplify right side
    214,481.11x = 20,822,852,259.43
  5. Step 5: Solve for x
    x = 20,822,852,259.43/214,481.11
  6. Step 6: Final answer
    x = 97,084.79

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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.