Home / 187,091.73-280,603.86-53,939.27

Finding the Fourth Proportional to 187,091.73, 280,603.86 and 53,939.27

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Solution

The fourth proportional to 187,091.73, 280,603.86 and 53,939.27 is: 80,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,091.73 : 280,603.86 = 53,939.27 : x
  2. Step 2: Convert to fraction form
    187,091.73/280,603.86 = 53,939.27/x
  3. Step 3: Cross multiply
    187,091.73x = 280,603.86 × 53,939.27
  4. Step 4: Simplify right side
    187,091.73x = 15,135,565,964.56
  5. Step 5: Solve for x
    x = 15,135,565,964.56/187,091.73
  6. Step 6: Final answer
    x = 80,899.17

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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.