Home / 131,589.28-197,382.08-31,748.62

Finding the Fourth Proportional to 131,589.28, 197,382.08 and 31,748.62

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Solution

The fourth proportional to 131,589.28, 197,382.08 and 31,748.62 is: 47,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,589.28 : 197,382.08 = 31,748.62 : x
  2. Step 2: Convert to fraction form
    131,589.28/197,382.08 = 31,748.62/x
  3. Step 3: Cross multiply
    131,589.28x = 197,382.08 × 31,748.62
  4. Step 4: Simplify right side
    131,589.28x = 6,266,608,493.99
  5. Step 5: Solve for x
    x = 6,266,608,493.99/131,589.28
  6. Step 6: Final answer
    x = 47,622.48

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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.