Home / 118,819.37-178,251.54-47,747.54

Finding the Fourth Proportional to 118,819.37, 178,251.54 and 47,747.54

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Solution

The fourth proportional to 118,819.37, 178,251.54 and 47,747.54 is: 71,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,819.37 : 178,251.54 = 47,747.54 : x
  2. Step 2: Convert to fraction form
    118,819.37/178,251.54 = 47,747.54/x
  3. Step 3: Cross multiply
    118,819.37x = 178,251.54 × 47,747.54
  4. Step 4: Simplify right side
    118,819.37x = 8,511,072,802.79
  5. Step 5: Solve for x
    x = 8,511,072,802.79/118,819.37
  6. Step 6: Final answer
    x = 71,630.35

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1.5x scale

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.