Home / 187,333.56-281,018.78-68,977.24

Finding the Fourth Proportional to 187,333.56, 281,018.78 and 68,977.24

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Solution

The fourth proportional to 187,333.56, 281,018.78 and 68,977.24 is: 103,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,333.56 : 281,018.78 = 68,977.24 : x
  2. Step 2: Convert to fraction form
    187,333.56/281,018.78 = 68,977.24/x
  3. Step 3: Cross multiply
    187,333.56x = 281,018.78 × 68,977.24
  4. Step 4: Simplify right side
    187,333.56x = 19,383,899,832.57
  5. Step 5: Solve for x
    x = 19,383,899,832.57/187,333.56
  6. Step 6: Final answer
    x = 103,472.65

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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.