Home / 110,131.20-151,997.76-88,844.40

Finding the Fourth Proportional to 110,131.20, 151,997.76 and 88,844.40

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Solution

The fourth proportional to 110,131.20, 151,997.76 and 88,844.40 is: 122,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,131.20 : 151,997.76 = 88,844.40 : x
  2. Step 2: Convert to fraction form
    110,131.20/151,997.76 = 88,844.40/x
  3. Step 3: Cross multiply
    110,131.20x = 151,997.76 × 88,844.40
  4. Step 4: Simplify right side
    110,131.20x = 13,504,149,788.54
  5. Step 5: Solve for x
    x = 13,504,149,788.54/110,131.20
  6. Step 6: Final answer
    x = 122,618.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.