Home / 187,742.67-281,650.77-82,561.29

Finding the Fourth Proportional to 187,742.67, 281,650.77 and 82,561.29

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Solution

The fourth proportional to 187,742.67, 281,650.77 and 82,561.29 is: 123,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,742.67 : 281,650.77 = 82,561.29 : x
  2. Step 2: Convert to fraction form
    187,742.67/281,650.77 = 82,561.29/x
  3. Step 3: Cross multiply
    187,742.67x = 281,650.77 × 82,561.29
  4. Step 4: Simplify right side
    187,742.67x = 23,253,450,900.69
  5. Step 5: Solve for x
    x = 23,253,450,900.69/187,742.67
  6. Step 6: Final answer
    x = 123,858.10

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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.