Home / 137,621.23-206,394.38-37,757.75

Finding the Fourth Proportional to 137,621.23, 206,394.38 and 37,757.75

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Solution

The fourth proportional to 137,621.23, 206,394.38 and 37,757.75 is: 56,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,621.23 : 206,394.38 = 37,757.75 : x
  2. Step 2: Convert to fraction form
    137,621.23/206,394.38 = 37,757.75/x
  3. Step 3: Cross multiply
    137,621.23x = 206,394.38 × 37,757.75
  4. Step 4: Simplify right side
    137,621.23x = 7,792,986,322.28
  5. Step 5: Solve for x
    x = 7,792,986,322.28/137,621.23
  6. Step 6: Final answer
    x = 56,626.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.