Home / 187,912.86-281,869.29-162,536.96

Finding the Fourth Proportional to 187,912.86, 281,869.29 and 162,536.96

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Solution

The fourth proportional to 187,912.86, 281,869.29 and 162,536.96 is: 243,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.86 : 281,869.29 = 162,536.96 : x
  2. Step 2: Convert to fraction form
    187,912.86/281,869.29 = 162,536.96/x
  3. Step 3: Cross multiply
    187,912.86x = 281,869.29 × 162,536.96
  4. Step 4: Simplify right side
    187,912.86x = 45,814,177,513.96
  5. Step 5: Solve for x
    x = 45,814,177,513.96/187,912.86
  6. Step 6: Final answer
    x = 243,805.44

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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.