Home / 137,872.08-206,517.49-63,055.21

Finding the Fourth Proportional to 137,872.08, 206,517.49 and 63,055.21

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Solution

The fourth proportional to 137,872.08, 206,517.49 and 63,055.21 is: 94,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,872.08 : 206,517.49 = 63,055.21 : x
  2. Step 2: Convert to fraction form
    137,872.08/206,517.49 = 63,055.21/x
  3. Step 3: Cross multiply
    137,872.08x = 206,517.49 × 63,055.21
  4. Step 4: Simplify right side
    137,872.08x = 13,022,003,700.62
  5. Step 5: Solve for x
    x = 13,022,003,700.62/137,872.08
  6. Step 6: Final answer
    x = 94,449.90

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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.