Home / 187,942.51-281,884.60-54,808.89

Finding the Fourth Proportional to 187,942.51, 281,884.60 and 54,808.89

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Solution

The fourth proportional to 187,942.51, 281,884.60 and 54,808.89 is: 82,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,942.51 : 281,884.60 = 54,808.89 : x
  2. Step 2: Convert to fraction form
    187,942.51/281,884.60 = 54,808.89/x
  3. Step 3: Cross multiply
    187,942.51x = 281,884.60 × 54,808.89
  4. Step 4: Simplify right side
    187,942.51x = 15,449,782,034.09
  5. Step 5: Solve for x
    x = 15,449,782,034.09/187,942.51
  6. Step 6: Final answer
    x = 82,204.83

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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.