Home / 127,328.84-175,724.26-82,100.97

Finding the Fourth Proportional to 127,328.84, 175,724.26 and 82,100.97

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Solution

The fourth proportional to 127,328.84, 175,724.26 and 82,100.97 is: 113,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.84 : 175,724.26 = 82,100.97 : x
  2. Step 2: Convert to fraction form
    127,328.84/175,724.26 = 82,100.97/x
  3. Step 3: Cross multiply
    127,328.84x = 175,724.26 × 82,100.97
  4. Step 4: Simplify right side
    127,328.84x = 14,427,131,993.28
  5. Step 5: Solve for x
    x = 14,427,131,993.28/127,328.84
  6. Step 6: Final answer
    x = 113,306.09

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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.