Home / 118,382.52-177,589.98-55,170.12

Finding the Fourth Proportional to 118,382.52, 177,589.98 and 55,170.12

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Solution

The fourth proportional to 118,382.52, 177,589.98 and 55,170.12 is: 82,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,382.52 : 177,589.98 = 55,170.12 : x
  2. Step 2: Convert to fraction form
    118,382.52/177,589.98 = 55,170.12/x
  3. Step 3: Cross multiply
    118,382.52x = 177,589.98 × 55,170.12
  4. Step 4: Simplify right side
    118,382.52x = 9,797,660,507.40
  5. Step 5: Solve for x
    x = 9,797,660,507.40/118,382.52
  6. Step 6: Final answer
    x = 82,762.73

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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.