Home / 110,112.92-151,811.16-79,460.24

Finding the Fourth Proportional to 110,112.92, 151,811.16 and 79,460.24

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Solution

The fourth proportional to 110,112.92, 151,811.16 and 79,460.24 is: 109,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,112.92 : 151,811.16 = 79,460.24 : x
  2. Step 2: Convert to fraction form
    110,112.92/151,811.16 = 79,460.24/x
  3. Step 3: Cross multiply
    110,112.92x = 151,811.16 × 79,460.24
  4. Step 4: Simplify right side
    110,112.92x = 12,062,951,208.28
  5. Step 5: Solve for x
    x = 12,062,951,208.28/110,112.92
  6. Step 6: Final answer
    x = 109,550.73

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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.