Home / 136,091.07-187,789.26-75,653.97

Finding the Fourth Proportional to 136,091.07, 187,789.26 and 75,653.97

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Solution

The fourth proportional to 136,091.07, 187,789.26 and 75,653.97 is: 104,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.07 : 187,789.26 = 75,653.97 : x
  2. Step 2: Convert to fraction form
    136,091.07/187,789.26 = 75,653.97/x
  3. Step 3: Cross multiply
    136,091.07x = 187,789.26 × 75,653.97
  4. Step 4: Simplify right side
    136,091.07x = 14,207,003,042.36
  5. Step 5: Solve for x
    x = 14,207,003,042.36/136,091.07
  6. Step 6: Final answer
    x = 104,393.35

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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.