Home / 149,621.36-206,476.44-82,553.52

Finding the Fourth Proportional to 149,621.36, 206,476.44 and 82,553.52

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Solution

The fourth proportional to 149,621.36, 206,476.44 and 82,553.52 is: 113,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,621.36 : 206,476.44 = 82,553.52 : x
  2. Step 2: Convert to fraction form
    149,621.36/206,476.44 = 82,553.52/x
  3. Step 3: Cross multiply
    149,621.36x = 206,476.44 × 82,553.52
  4. Step 4: Simplify right side
    149,621.36x = 17,045,356,919.07
  5. Step 5: Solve for x
    x = 17,045,356,919.07/149,621.36
  6. Step 6: Final answer
    x = 113,923.29

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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.