Home / 135,901.14-187,513.38-82,185.03

Finding the Fourth Proportional to 135,901.14, 187,513.38 and 82,185.03

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Solution

The fourth proportional to 135,901.14, 187,513.38 and 82,185.03 is: 113,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,901.14 : 187,513.38 = 82,185.03 : x
  2. Step 2: Convert to fraction form
    135,901.14/187,513.38 = 82,185.03/x
  3. Step 3: Cross multiply
    135,901.14x = 187,513.38 × 82,185.03
  4. Step 4: Simplify right side
    135,901.14x = 15,410,792,760.70
  5. Step 5: Solve for x
    x = 15,410,792,760.70/135,901.14
  6. Step 6: Final answer
    x = 113,397.08

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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.