Home / 137,439.88-206,015.92-57,523.64

Finding the Fourth Proportional to 137,439.88, 206,015.92 and 57,523.64

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Solution

The fourth proportional to 137,439.88, 206,015.92 and 57,523.64 is: 86,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,439.88 : 206,015.92 = 57,523.64 : x
  2. Step 2: Convert to fraction form
    137,439.88/206,015.92 = 57,523.64/x
  3. Step 3: Cross multiply
    137,439.88x = 206,015.92 × 57,523.64
  4. Step 4: Simplify right side
    137,439.88x = 11,850,785,616.35
  5. Step 5: Solve for x
    x = 11,850,785,616.35/137,439.88
  6. Step 6: Final answer
    x = 86,225.23

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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.