Home / 141,027.17-194,605.17-80,585.78

Finding the Fourth Proportional to 141,027.17, 194,605.17 and 80,585.78

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Solution

The fourth proportional to 141,027.17, 194,605.17 and 80,585.78 is: 111,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,027.17 : 194,605.17 = 80,585.78 : x
  2. Step 2: Convert to fraction form
    141,027.17/194,605.17 = 80,585.78/x
  3. Step 3: Cross multiply
    141,027.17x = 194,605.17 × 80,585.78
  4. Step 4: Simplify right side
    141,027.17x = 15,682,409,416.48
  5. Step 5: Solve for x
    x = 15,682,409,416.48/141,027.17
  6. Step 6: Final answer
    x = 111,201.33

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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.