Home / 137,717.20-206,559.40-37,887.54

Finding the Fourth Proportional to 137,717.20, 206,559.40 and 37,887.54

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Solution

The fourth proportional to 137,717.20, 206,559.40 and 37,887.54 is: 56,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,717.20 : 206,559.40 = 37,887.54 : x
  2. Step 2: Convert to fraction form
    137,717.20/206,559.40 = 37,887.54/x
  3. Step 3: Cross multiply
    137,717.20x = 206,559.40 × 37,887.54
  4. Step 4: Simplify right side
    137,717.20x = 7,826,027,529.88
  5. Step 5: Solve for x
    x = 7,826,027,529.88/137,717.20
  6. Step 6: Final answer
    x = 56,826.80

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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.