Home / 136,212.84-187,928.91-82,477.44

Finding the Fourth Proportional to 136,212.84, 187,928.91 and 82,477.44

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Solution

The fourth proportional to 136,212.84, 187,928.91 and 82,477.44 is: 113,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.84 : 187,928.91 = 82,477.44 : x
  2. Step 2: Convert to fraction form
    136,212.84/187,928.91 = 82,477.44/x
  3. Step 3: Cross multiply
    136,212.84x = 187,928.91 × 82,477.44
  4. Step 4: Simplify right side
    136,212.84x = 15,499,895,398.79
  5. Step 5: Solve for x
    x = 15,499,895,398.79/136,212.84
  6. Step 6: Final answer
    x = 113,791.74

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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.