Home / 214,949.22-321,929.49-124,768.59

Finding the Fourth Proportional to 214,949.22, 321,929.49 and 124,768.59

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Solution

The fourth proportional to 214,949.22, 321,929.49 and 124,768.59 is: 186,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,949.22 : 321,929.49 = 124,768.59 : x
  2. Step 2: Convert to fraction form
    214,949.22/321,929.49 = 124,768.59/x
  3. Step 3: Cross multiply
    214,949.22x = 321,929.49 × 124,768.59
  4. Step 4: Simplify right side
    214,949.22x = 40,166,688,546.72
  5. Step 5: Solve for x
    x = 40,166,688,546.72/214,949.22
  6. Step 6: Final answer
    x = 186,865.94

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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.