Home / 135,536.46-187,022.61-75,104.19

Finding the Fourth Proportional to 135,536.46, 187,022.61 and 75,104.19

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Solution

The fourth proportional to 135,536.46, 187,022.61 and 75,104.19 is: 103,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,536.46 : 187,022.61 = 75,104.19 : x
  2. Step 2: Convert to fraction form
    135,536.46/187,022.61 = 75,104.19/x
  3. Step 3: Cross multiply
    135,536.46x = 187,022.61 × 75,104.19
  4. Step 4: Simplify right side
    135,536.46x = 14,046,181,635.74
  5. Step 5: Solve for x
    x = 14,046,181,635.74/135,536.46
  6. Step 6: Final answer
    x = 103,633.97

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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.