Home / 140,584.87-194,006.91-76,922.65

Finding the Fourth Proportional to 140,584.87, 194,006.91 and 76,922.65

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Solution

The fourth proportional to 140,584.87, 194,006.91 and 76,922.65 is: 106,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,584.87 : 194,006.91 = 76,922.65 : x
  2. Step 2: Convert to fraction form
    140,584.87/194,006.91 = 76,922.65/x
  3. Step 3: Cross multiply
    140,584.87x = 194,006.91 × 76,922.65
  4. Step 4: Simplify right side
    140,584.87x = 14,923,525,635.51
  5. Step 5: Solve for x
    x = 14,923,525,635.51/140,584.87
  6. Step 6: Final answer
    x = 106,153.14

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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.