Home / 127,896.38-191,862.09-43,633.94

Finding the Fourth Proportional to 127,896.38, 191,862.09 and 43,633.94

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Solution

The fourth proportional to 127,896.38, 191,862.09 and 43,633.94 is: 65,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,896.38 : 191,862.09 = 43,633.94 : x
  2. Step 2: Convert to fraction form
    127,896.38/191,862.09 = 43,633.94/x
  3. Step 3: Cross multiply
    127,896.38x = 191,862.09 × 43,633.94
  4. Step 4: Simplify right side
    127,896.38x = 8,371,698,923.33
  5. Step 5: Solve for x
    x = 8,371,698,923.33/127,896.38
  6. Step 6: Final answer
    x = 65,456.89

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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.