Home / 197,256.30-295,775.10-78,793.80

Finding the Fourth Proportional to 197,256.30, 295,775.10 and 78,793.80

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Solution

The fourth proportional to 197,256.30, 295,775.10 and 78,793.80 is: 118,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,256.30 : 295,775.10 = 78,793.80 : x
  2. Step 2: Convert to fraction form
    197,256.30/295,775.10 = 78,793.80/x
  3. Step 3: Cross multiply
    197,256.30x = 295,775.10 × 78,793.80
  4. Step 4: Simplify right side
    197,256.30x = 23,305,244,074.38
  5. Step 5: Solve for x
    x = 23,305,244,074.38/197,256.30
  6. Step 6: Final answer
    x = 118,147.02

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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.