Home / 127,194.92-190,979.76-71,144.84

Finding the Fourth Proportional to 127,194.92, 190,979.76 and 71,144.84

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Solution

The fourth proportional to 127,194.92, 190,979.76 and 71,144.84 is: 106,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194.92 : 190,979.76 = 71,144.84 : x
  2. Step 2: Convert to fraction form
    127,194.92/190,979.76 = 71,144.84/x
  3. Step 3: Cross multiply
    127,194.92x = 190,979.76 × 71,144.84
  4. Step 4: Simplify right side
    127,194.92x = 13,587,224,468.44
  5. Step 5: Solve for x
    x = 13,587,224,468.44/127,194.92
  6. Step 6: Final answer
    x = 106,822.07

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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.