Home / 141,036.17-194,647.13-80,609.36

Finding the Fourth Proportional to 141,036.17, 194,647.13 and 80,609.36

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Solution

The fourth proportional to 141,036.17, 194,647.13 and 80,609.36 is: 111,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036.17 : 194,647.13 = 80,609.36 : x
  2. Step 2: Convert to fraction form
    141,036.17/194,647.13 = 80,609.36/x
  3. Step 3: Cross multiply
    141,036.17x = 194,647.13 × 80,609.36
  4. Step 4: Simplify right side
    141,036.17x = 15,690,380,575.14
  5. Step 5: Solve for x
    x = 15,690,380,575.14/141,036.17
  6. Step 6: Final answer
    x = 111,250.76

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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.