Home / 135,616.26-187,145.37-75,996.42

Finding the Fourth Proportional to 135,616.26, 187,145.37 and 75,996.42

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Solution

The fourth proportional to 135,616.26, 187,145.37 and 75,996.42 is: 104,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,616.26 : 187,145.37 = 75,996.42 : x
  2. Step 2: Convert to fraction form
    135,616.26/187,145.37 = 75,996.42/x
  3. Step 3: Cross multiply
    135,616.26x = 187,145.37 × 75,996.42
  4. Step 4: Simplify right side
    135,616.26x = 14,222,378,139.58
  5. Step 5: Solve for x
    x = 14,222,378,139.58/135,616.26
  6. Step 6: Final answer
    x = 104,872.22

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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.