Home / 187,700.38-280,896.06-153,571.97

Finding the Fourth Proportional to 187,700.38, 280,896.06 and 153,571.97

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Solution

The fourth proportional to 187,700.38, 280,896.06 and 153,571.97 is: 229,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,700.38 : 280,896.06 = 153,571.97 : x
  2. Step 2: Convert to fraction form
    187,700.38/280,896.06 = 153,571.97/x
  3. Step 3: Cross multiply
    187,700.38x = 280,896.06 × 153,571.97
  4. Step 4: Simplify right side
    187,700.38x = 43,137,761,299.44
  5. Step 5: Solve for x
    x = 43,137,761,299.44/187,700.38
  6. Step 6: Final answer
    x = 229,822.45

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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.