Home / 187,633.22-281,448.07-81,092.50

Finding the Fourth Proportional to 187,633.22, 281,448.07 and 81,092.50

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Solution

The fourth proportional to 187,633.22, 281,448.07 and 81,092.50 is: 121,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,633.22 : 281,448.07 = 81,092.50 : x
  2. Step 2: Convert to fraction form
    187,633.22/281,448.07 = 81,092.50/x
  3. Step 3: Cross multiply
    187,633.22x = 281,448.07 × 81,092.50
  4. Step 4: Simplify right side
    187,633.22x = 22,823,327,616.48
  5. Step 5: Solve for x
    x = 22,823,327,616.48/187,633.22
  6. Step 6: Final answer
    x = 121,637.99

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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.