Home / 127,481.76-191,252.16-43,237.44

Finding the Fourth Proportional to 127,481.76, 191,252.16 and 43,237.44

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Solution

The fourth proportional to 127,481.76, 191,252.16 and 43,237.44 is: 64,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,481.76 : 191,252.16 = 43,237.44 : x
  2. Step 2: Convert to fraction form
    127,481.76/191,252.16 = 43,237.44/x
  3. Step 3: Cross multiply
    127,481.76x = 191,252.16 × 43,237.44
  4. Step 4: Simplify right side
    127,481.76x = 8,269,253,792.87
  5. Step 5: Solve for x
    x = 8,269,253,792.87/127,481.76
  6. Step 6: Final answer
    x = 64,866.17

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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.