Home / 141,189.10-194,896.47-84,589.54

Finding the Fourth Proportional to 141,189.10, 194,896.47 and 84,589.54

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Solution

The fourth proportional to 141,189.10, 194,896.47 and 84,589.54 is: 116,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,189.10 : 194,896.47 = 84,589.54 : x
  2. Step 2: Convert to fraction form
    141,189.10/194,896.47 = 84,589.54/x
  3. Step 3: Cross multiply
    141,189.10x = 194,896.47 × 84,589.54
  4. Step 4: Simplify right side
    141,189.10x = 16,486,202,744.92
  5. Step 5: Solve for x
    x = 16,486,202,744.92/141,189.10
  6. Step 6: Final answer
    x = 116,766.82

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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.