Home / 121,944.93-168,287.01-68,229.48

Finding the Fourth Proportional to 121,944.93, 168,287.01 and 68,229.48

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Solution

The fourth proportional to 121,944.93, 168,287.01 and 68,229.48 is: 94,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,944.93 : 168,287.01 = 68,229.48 : x
  2. Step 2: Convert to fraction form
    121,944.93/168,287.01 = 68,229.48/x
  3. Step 3: Cross multiply
    121,944.93x = 168,287.01 × 68,229.48
  4. Step 4: Simplify right side
    121,944.93x = 11,482,135,183.05
  5. Step 5: Solve for x
    x = 11,482,135,183.05/121,944.93
  6. Step 6: Final answer
    x = 94,158.36

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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.