Home / 106,687.26-160,131.30-54,134.46

Finding the Fourth Proportional to 106,687.26, 160,131.30 and 54,134.46

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Solution

The fourth proportional to 106,687.26, 160,131.30 and 54,134.46 is: 81,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,687.26 : 160,131.30 = 54,134.46 : x
  2. Step 2: Convert to fraction form
    106,687.26/160,131.30 = 54,134.46/x
  3. Step 3: Cross multiply
    106,687.26x = 160,131.30 × 54,134.46
  4. Step 4: Simplify right side
    106,687.26x = 8,668,621,454.60
  5. Step 5: Solve for x
    x = 8,668,621,454.60/106,687.26
  6. Step 6: Final answer
    x = 81,252.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.