Home / 187,837.49-281,789.06-82,653.72

Finding the Fourth Proportional to 187,837.49, 281,789.06 and 82,653.72

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Solution

The fourth proportional to 187,837.49, 281,789.06 and 82,653.72 is: 123,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,837.49 : 281,789.06 = 82,653.72 : x
  2. Step 2: Convert to fraction form
    187,837.49/281,789.06 = 82,653.72/x
  3. Step 3: Cross multiply
    187,837.49x = 281,789.06 × 82,653.72
  4. Step 4: Simplify right side
    187,837.49x = 23,290,913,651.03
  5. Step 5: Solve for x
    x = 23,290,913,651.03/187,837.49
  6. Step 6: Final answer
    x = 123,995.03

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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.