Home / 135,943.26-187,606.96-75,518.48

Finding the Fourth Proportional to 135,943.26, 187,606.96 and 75,518.48

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Solution

The fourth proportional to 135,943.26, 187,606.96 and 75,518.48 is: 104,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,943.26 : 187,606.96 = 75,518.48 : x
  2. Step 2: Convert to fraction form
    135,943.26/187,606.96 = 75,518.48/x
  3. Step 3: Cross multiply
    135,943.26x = 187,606.96 × 75,518.48
  4. Step 4: Simplify right side
    135,943.26x = 14,167,792,456.62
  5. Step 5: Solve for x
    x = 14,167,792,456.62/135,943.26
  6. Step 6: Final answer
    x = 104,218.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.