Home / 135,634.37-187,175.81-75,209.27

Finding the Fourth Proportional to 135,634.37, 187,175.81 and 75,209.27

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Solution

The fourth proportional to 135,634.37, 187,175.81 and 75,209.27 is: 103,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,634.37 : 187,175.81 = 75,209.27 : x
  2. Step 2: Convert to fraction form
    135,634.37/187,175.81 = 75,209.27/x
  3. Step 3: Cross multiply
    135,634.37x = 187,175.81 × 75,209.27
  4. Step 4: Simplify right side
    135,634.37x = 14,077,355,283.90
  5. Step 5: Solve for x
    x = 14,077,355,283.90/135,634.37
  6. Step 6: Final answer
    x = 103,789.00

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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.