Home / 136,476.82-188,333.22-76,044.34

Finding the Fourth Proportional to 136,476.82, 188,333.22 and 76,044.34

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Solution

The fourth proportional to 136,476.82, 188,333.22 and 76,044.34 is: 104,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,476.82 : 188,333.22 = 76,044.34 : x
  2. Step 2: Convert to fraction form
    136,476.82/188,333.22 = 76,044.34/x
  3. Step 3: Cross multiply
    136,476.82x = 188,333.22 × 76,044.34
  4. Step 4: Simplify right side
    136,476.82x = 14,321,675,414.97
  5. Step 5: Solve for x
    x = 14,321,675,414.97/136,476.82
  6. Step 6: Final answer
    x = 104,938.52

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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.