Home / 187,249.32-280,832.40-54,100.44

Finding the Fourth Proportional to 187,249.32, 280,832.40 and 54,100.44

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Solution

The fourth proportional to 187,249.32, 280,832.40 and 54,100.44 is: 81,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,249.32 : 280,832.40 = 54,100.44 : x
  2. Step 2: Convert to fraction form
    187,249.32/280,832.40 = 54,100.44/x
  3. Step 3: Cross multiply
    187,249.32x = 280,832.40 × 54,100.44
  4. Step 4: Simplify right side
    187,249.32x = 15,193,156,406.26
  5. Step 5: Solve for x
    x = 15,193,156,406.26/187,249.32
  6. Step 6: Final answer
    x = 81,138.65

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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.