Home / 135,965.40-187,662.27-75,556.82

Finding the Fourth Proportional to 135,965.40, 187,662.27 and 75,556.82

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Solution

The fourth proportional to 135,965.40, 187,662.27 and 75,556.82 is: 104,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.40 : 187,662.27 = 75,556.82 : x
  2. Step 2: Convert to fraction form
    135,965.40/187,662.27 = 75,556.82/x
  3. Step 3: Cross multiply
    135,965.40x = 187,662.27 × 75,556.82
  4. Step 4: Simplify right side
    135,965.40x = 14,179,164,355.18
  5. Step 5: Solve for x
    x = 14,179,164,355.18/135,965.40
  6. Step 6: Final answer
    x = 104,285.09

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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.