Home / 135,792.52-187,394.92-82,113.41

Finding the Fourth Proportional to 135,792.52, 187,394.92 and 82,113.41

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Solution

The fourth proportional to 135,792.52, 187,394.92 and 82,113.41 is: 113,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,792.52 : 187,394.92 = 82,113.41 : x
  2. Step 2: Convert to fraction form
    135,792.52/187,394.92 = 82,113.41/x
  3. Step 3: Cross multiply
    135,792.52x = 187,394.92 × 82,113.41
  4. Step 4: Simplify right side
    135,792.52x = 15,387,636,161.08
  5. Step 5: Solve for x
    x = 15,387,636,161.08/135,792.52
  6. Step 6: Final answer
    x = 113,317.26

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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.