Home / 187,832.98-281,660.28-108,971.38

Finding the Fourth Proportional to 187,832.98, 281,660.28 and 108,971.38

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Solution

The fourth proportional to 187,832.98, 281,660.28 and 108,971.38 is: 163,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,832.98 : 281,660.28 = 108,971.38 : x
  2. Step 2: Convert to fraction form
    187,832.98/281,660.28 = 108,971.38/x
  3. Step 3: Cross multiply
    187,832.98x = 281,660.28 × 108,971.38
  4. Step 4: Simplify right side
    187,832.98x = 30,692,909,402.79
  5. Step 5: Solve for x
    x = 30,692,909,402.79/187,832.98
  6. Step 6: Final answer
    x = 163,405.33

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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.