Home / 137,429.36-206,141.12-37,589.56

Finding the Fourth Proportional to 137,429.36, 206,141.12 and 37,589.56

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Solution

The fourth proportional to 137,429.36, 206,141.12 and 37,589.56 is: 56,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,429.36 : 206,141.12 = 37,589.56 : x
  2. Step 2: Convert to fraction form
    137,429.36/206,141.12 = 37,589.56/x
  3. Step 3: Cross multiply
    137,429.36x = 206,141.12 × 37,589.56
  4. Step 4: Simplify right side
    137,429.36x = 7,748,753,436.37
  5. Step 5: Solve for x
    x = 7,748,753,436.37/137,429.36
  6. Step 6: Final answer
    x = 56,383.54

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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.