Home / 214,077.06-321,160.68-80,954.37

Finding the Fourth Proportional to 214,077.06, 321,160.68 and 80,954.37

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Solution

The fourth proportional to 214,077.06, 321,160.68 and 80,954.37 is: 121,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,077.06 : 321,160.68 = 80,954.37 : x
  2. Step 2: Convert to fraction form
    214,077.06/321,160.68 = 80,954.37/x
  3. Step 3: Cross multiply
    214,077.06x = 321,160.68 × 80,954.37
  4. Step 4: Simplify right side
    214,077.06x = 25,999,360,518.17
  5. Step 5: Solve for x
    x = 25,999,360,518.17/214,077.06
  6. Step 6: Final answer
    x = 121,448.61

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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.