Home / 118,822.56-178,256.33-47,750.73

Finding the Fourth Proportional to 118,822.56, 178,256.33 and 47,750.73

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Solution

The fourth proportional to 118,822.56, 178,256.33 and 47,750.73 is: 71,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,822.56 : 178,256.33 = 47,750.73 : x
  2. Step 2: Convert to fraction form
    118,822.56/178,256.33 = 47,750.73/x
  3. Step 3: Cross multiply
    118,822.56x = 178,256.33 × 47,750.73
  4. Step 4: Simplify right side
    118,822.56x = 8,511,869,645.87
  5. Step 5: Solve for x
    x = 8,511,869,645.87/118,822.56
  6. Step 6: Final answer
    x = 71,635.13

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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.