Home / 135,887.88-187,518.97-75,462.36

Finding the Fourth Proportional to 135,887.88, 187,518.97 and 75,462.36

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Solution

The fourth proportional to 135,887.88, 187,518.97 and 75,462.36 is: 104,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,887.88 : 187,518.97 = 75,462.36 : x
  2. Step 2: Convert to fraction form
    135,887.88/187,518.97 = 75,462.36/x
  3. Step 3: Cross multiply
    135,887.88x = 187,518.97 × 75,462.36
  4. Step 4: Simplify right side
    135,887.88x = 14,150,624,020.97
  5. Step 5: Solve for x
    x = 14,150,624,020.97/135,887.88
  6. Step 6: Final answer
    x = 104,134.56

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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.