Home / 135,660.24-187,217.18-75,226.82

Finding the Fourth Proportional to 135,660.24, 187,217.18 and 75,226.82

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Solution

The fourth proportional to 135,660.24, 187,217.18 and 75,226.82 is: 103,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,660.24 : 187,217.18 = 75,226.82 : x
  2. Step 2: Convert to fraction form
    135,660.24/187,217.18 = 75,226.82/x
  3. Step 3: Cross multiply
    135,660.24x = 187,217.18 × 75,226.82
  4. Step 4: Simplify right side
    135,660.24x = 14,083,752,256.59
  5. Step 5: Solve for x
    x = 14,083,752,256.59/135,660.24
  6. Step 6: Final answer
    x = 103,816.36

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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.