Home / 149,621.25-206,477.33-82,553.25

Finding the Fourth Proportional to 149,621.25, 206,477.33 and 82,553.25

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Solution

The fourth proportional to 149,621.25, 206,477.33 and 82,553.25 is: 113,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,621.25 : 206,477.33 = 82,553.25 : x
  2. Step 2: Convert to fraction form
    149,621.25/206,477.33 = 82,553.25/x
  3. Step 3: Cross multiply
    149,621.25x = 206,477.33 × 82,553.25
  4. Step 4: Simplify right side
    149,621.25x = 17,045,374,230.06
  5. Step 5: Solve for x
    x = 17,045,374,230.06/149,621.25
  6. Step 6: Final answer
    x = 113,923.49

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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.