Home / 187,755.24-281,630.40-45,601.68

Finding the Fourth Proportional to 187,755.24, 281,630.40 and 45,601.68

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Solution

The fourth proportional to 187,755.24, 281,630.40 and 45,601.68 is: 68,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,755.24 : 281,630.40 = 45,601.68 : x
  2. Step 2: Convert to fraction form
    187,755.24/281,630.40 = 45,601.68/x
  3. Step 3: Cross multiply
    187,755.24x = 281,630.40 × 45,601.68
  4. Step 4: Simplify right side
    187,755.24x = 12,842,819,379.07
  5. Step 5: Solve for x
    x = 12,842,819,379.07/187,755.24
  6. Step 6: Final answer
    x = 68,401.92

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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.