Home / 131,589.87-197,382.96-31,749.22

Finding the Fourth Proportional to 131,589.87, 197,382.96 and 31,749.22

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Solution

The fourth proportional to 131,589.87, 197,382.96 and 31,749.22 is: 47,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,589.87 : 197,382.96 = 31,749.22 : x
  2. Step 2: Convert to fraction form
    131,589.87/197,382.96 = 31,749.22/x
  3. Step 3: Cross multiply
    131,589.87x = 197,382.96 × 31,749.22
  4. Step 4: Simplify right side
    131,589.87x = 6,266,755,021.29
  5. Step 5: Solve for x
    x = 6,266,755,021.29/131,589.87
  6. Step 6: Final answer
    x = 47,623.38

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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.