Home / 136,118.26-187,846.46-75,691.45

Finding the Fourth Proportional to 136,118.26, 187,846.46 and 75,691.45

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Solution

The fourth proportional to 136,118.26, 187,846.46 and 75,691.45 is: 104,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118.26 : 187,846.46 = 75,691.45 : x
  2. Step 2: Convert to fraction form
    136,118.26/187,846.46 = 75,691.45/x
  3. Step 3: Cross multiply
    136,118.26x = 187,846.46 × 75,691.45
  4. Step 4: Simplify right side
    136,118.26x = 14,218,370,556.31
  5. Step 5: Solve for x
    x = 14,218,370,556.31/136,118.26
  6. Step 6: Final answer
    x = 104,456.01

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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.