Home / 214,129.40-321,342.06-73,888.52

Finding the Fourth Proportional to 214,129.40, 321,342.06 and 73,888.52

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Solution

The fourth proportional to 214,129.40, 321,342.06 and 73,888.52 is: 110,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,129.40 : 321,342.06 = 73,888.52 : x
  2. Step 2: Convert to fraction form
    214,129.40/321,342.06 = 73,888.52/x
  3. Step 3: Cross multiply
    214,129.40x = 321,342.06 × 73,888.52
  4. Step 4: Simplify right side
    214,129.40x = 23,743,489,227.15
  5. Step 5: Solve for x
    x = 23,743,489,227.15/214,129.40
  6. Step 6: Final answer
    x = 110,883.84

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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.