Home / 135,576.82-187,107.21-75,166.41

Finding the Fourth Proportional to 135,576.82, 187,107.21 and 75,166.41

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Solution

The fourth proportional to 135,576.82, 187,107.21 and 75,166.41 is: 103,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,576.82 : 187,107.21 = 75,166.41 : x
  2. Step 2: Convert to fraction form
    135,576.82/187,107.21 = 75,166.41/x
  3. Step 3: Cross multiply
    135,576.82x = 187,107.21 × 75,166.41
  4. Step 4: Simplify right side
    135,576.82x = 14,064,177,260.82
  5. Step 5: Solve for x
    x = 14,064,177,260.82/135,576.82
  6. Step 6: Final answer
    x = 103,735.86

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1.5x scale

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.