Home / 141,072.22-194,679.64-80,644.21

Finding the Fourth Proportional to 141,072.22, 194,679.64 and 80,644.21

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Solution

The fourth proportional to 141,072.22, 194,679.64 and 80,644.21 is: 111,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.22 : 194,679.64 = 80,644.21 : x
  2. Step 2: Convert to fraction form
    141,072.22/194,679.64 = 80,644.21/x
  3. Step 3: Cross multiply
    141,072.22x = 194,679.64 × 80,644.21
  4. Step 4: Simplify right side
    141,072.22x = 15,699,785,611.80
  5. Step 5: Solve for x
    x = 15,699,785,611.80/141,072.22
  6. Step 6: Final answer
    x = 111,289.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.