Home / 136,133.44-187,849.77-75,694.33

Finding the Fourth Proportional to 136,133.44, 187,849.77 and 75,694.33

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Solution

The fourth proportional to 136,133.44, 187,849.77 and 75,694.33 is: 104,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,133.44 : 187,849.77 = 75,694.33 : x
  2. Step 2: Convert to fraction form
    136,133.44/187,849.77 = 75,694.33/x
  3. Step 3: Cross multiply
    136,133.44x = 187,849.77 × 75,694.33
  4. Step 4: Simplify right side
    136,133.44x = 14,219,162,102.33
  5. Step 5: Solve for x
    x = 14,219,162,102.33/136,133.44
  6. Step 6: Final answer
    x = 104,450.18

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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.