Home / 118,876.20-178,391.61-51,474.06

Finding the Fourth Proportional to 118,876.20, 178,391.61 and 51,474.06

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Solution

The fourth proportional to 118,876.20, 178,391.61 and 51,474.06 is: 77,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,876.20 : 178,391.61 = 51,474.06 : x
  2. Step 2: Convert to fraction form
    118,876.20/178,391.61 = 51,474.06/x
  3. Step 3: Cross multiply
    118,876.20x = 178,391.61 × 51,474.06
  4. Step 4: Simplify right side
    118,876.20x = 9,182,540,436.64
  5. Step 5: Solve for x
    x = 9,182,540,436.64/118,876.20
  6. Step 6: Final answer
    x = 77,244.57

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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.