Home / 187,581.75-281,399.67-61,190.73

Finding the Fourth Proportional to 187,581.75, 281,399.67 and 61,190.73

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Solution

The fourth proportional to 187,581.75, 281,399.67 and 61,190.73 is: 91,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,581.75 : 281,399.67 = 61,190.73 : x
  2. Step 2: Convert to fraction form
    187,581.75/281,399.67 = 61,190.73/x
  3. Step 3: Cross multiply
    187,581.75x = 281,399.67 × 61,190.73
  4. Step 4: Simplify right side
    187,581.75x = 17,219,051,229.06
  5. Step 5: Solve for x
    x = 17,219,051,229.06/187,581.75
  6. Step 6: Final answer
    x = 91,794.92

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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.