Home / 127,560.54-191,353.78-34,072.86

Finding the Fourth Proportional to 127,560.54, 191,353.78 and 34,072.86

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Solution

The fourth proportional to 127,560.54, 191,353.78 and 34,072.86 is: 51,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,560.54 : 191,353.78 = 34,072.86 : x
  2. Step 2: Convert to fraction form
    127,560.54/191,353.78 = 34,072.86/x
  3. Step 3: Cross multiply
    127,560.54x = 191,353.78 × 34,072.86
  4. Step 4: Simplify right side
    127,560.54x = 6,519,970,556.41
  5. Step 5: Solve for x
    x = 6,519,970,556.41/127,560.54
  6. Step 6: Final answer
    x = 51,112.75

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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.