Home / 141,027.75-194,624.06-81,411.75

Finding the Fourth Proportional to 141,027.75, 194,624.06 and 81,411.75

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Solution

The fourth proportional to 141,027.75, 194,624.06 and 81,411.75 is: 112,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,027.75 : 194,624.06 = 81,411.75 : x
  2. Step 2: Convert to fraction form
    141,027.75/194,624.06 = 81,411.75/x
  3. Step 3: Cross multiply
    141,027.75x = 194,624.06 × 81,411.75
  4. Step 4: Simplify right side
    141,027.75x = 15,844,684,909.65
  5. Step 5: Solve for x
    x = 15,844,684,909.65/141,027.75
  6. Step 6: Final answer
    x = 112,351.54

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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.