Home / 127,930.54-191,896.80-49,025.92

Finding the Fourth Proportional to 127,930.54, 191,896.80 and 49,025.92

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Solution

The fourth proportional to 127,930.54, 191,896.80 and 49,025.92 is: 73,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.54 : 191,896.80 = 49,025.92 : x
  2. Step 2: Convert to fraction form
    127,930.54/191,896.80 = 49,025.92/x
  3. Step 3: Cross multiply
    127,930.54x = 191,896.80 × 49,025.92
  4. Step 4: Simplify right side
    127,930.54x = 9,407,917,165.06
  5. Step 5: Solve for x
    x = 9,407,917,165.06/127,930.54
  6. Step 6: Final answer
    x = 73,539.26

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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.