Home / 135,943.97-187,606.06-75,511.69

Finding the Fourth Proportional to 135,943.97, 187,606.06 and 75,511.69

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Solution

The fourth proportional to 135,943.97, 187,606.06 and 75,511.69 is: 104,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,943.97 : 187,606.06 = 75,511.69 : x
  2. Step 2: Convert to fraction form
    135,943.97/187,606.06 = 75,511.69/x
  3. Step 3: Cross multiply
    135,943.97x = 187,606.06 × 75,511.69
  4. Step 4: Simplify right side
    135,943.97x = 14,166,449,987.05
  5. Step 5: Solve for x
    x = 14,166,449,987.05/135,943.97
  6. Step 6: Final answer
    x = 104,208.01

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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.