Home / 135,989.97-187,675.02-82,277.25

Finding the Fourth Proportional to 135,989.97, 187,675.02 and 82,277.25

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Solution

The fourth proportional to 135,989.97, 187,675.02 and 82,277.25 is: 113,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,989.97 : 187,675.02 = 82,277.25 : x
  2. Step 2: Convert to fraction form
    135,989.97/187,675.02 = 82,277.25/x
  3. Step 3: Cross multiply
    135,989.97x = 187,675.02 × 82,277.25
  4. Step 4: Simplify right side
    135,989.97x = 15,441,384,539.30
  5. Step 5: Solve for x
    x = 15,441,384,539.30/135,989.97
  6. Step 6: Final answer
    x = 113,547.97

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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.