Home / 214,619.63-296,188.92-123,979.41

Finding the Fourth Proportional to 214,619.63, 296,188.92 and 123,979.41

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Solution

The fourth proportional to 214,619.63, 296,188.92 and 123,979.41 is: 171,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,619.63 : 296,188.92 = 123,979.41 : x
  2. Step 2: Convert to fraction form
    214,619.63/296,188.92 = 123,979.41/x
  3. Step 3: Cross multiply
    214,619.63x = 296,188.92 × 123,979.41
  4. Step 4: Simplify right side
    214,619.63x = 36,721,327,550.14
  5. Step 5: Solve for x
    x = 36,721,327,550.14/214,619.63
  6. Step 6: Final answer
    x = 171,099.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.