Home / 214,063.74-321,294.87-108,961.38

Finding the Fourth Proportional to 214,063.74, 321,294.87 and 108,961.38

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Solution

The fourth proportional to 214,063.74, 321,294.87 and 108,961.38 is: 163,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,063.74 : 321,294.87 = 108,961.38 : x
  2. Step 2: Convert to fraction form
    214,063.74/321,294.87 = 108,961.38/x
  3. Step 3: Cross multiply
    214,063.74x = 321,294.87 × 108,961.38
  4. Step 4: Simplify right side
    214,063.74x = 35,008,732,422.12
  5. Step 5: Solve for x
    x = 35,008,732,422.12/214,063.74
  6. Step 6: Final answer
    x = 163,543.50

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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.