Home / 127,681.26-191,552.91-38,936.34

Finding the Fourth Proportional to 127,681.26, 191,552.91 and 38,936.34

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Solution

The fourth proportional to 127,681.26, 191,552.91 and 38,936.34 is: 58,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.26 : 191,552.91 = 38,936.34 : x
  2. Step 2: Convert to fraction form
    127,681.26/191,552.91 = 38,936.34/x
  3. Step 3: Cross multiply
    127,681.26x = 191,552.91 × 38,936.34
  4. Step 4: Simplify right side
    127,681.26x = 7,458,369,231.75
  5. Step 5: Solve for x
    x = 7,458,369,231.75/127,681.26
  6. Step 6: Final answer
    x = 58,413.97

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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.