Home / 153,997.20-231,168.60-119,091.60

Finding the Fourth Proportional to 153,997.20, 231,168.60 and 119,091.60

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Solution

The fourth proportional to 153,997.20, 231,168.60 and 119,091.60 is: 178,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,997.20 : 231,168.60 = 119,091.60 : x
  2. Step 2: Convert to fraction form
    153,997.20/231,168.60 = 119,091.60/x
  3. Step 3: Cross multiply
    153,997.20x = 231,168.60 × 119,091.60
  4. Step 4: Simplify right side
    153,997.20x = 27,530,238,443.76
  5. Step 5: Solve for x
    x = 27,530,238,443.76/153,997.20
  6. Step 6: Final answer
    x = 178,771.03

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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.