Home / 140,057.64-193,260.42-80,441.64

Finding the Fourth Proportional to 140,057.64, 193,260.42 and 80,441.64

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Solution

The fourth proportional to 140,057.64, 193,260.42 and 80,441.64 is: 110,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,057.64 : 193,260.42 = 80,441.64 : x
  2. Step 2: Convert to fraction form
    140,057.64/193,260.42 = 80,441.64/x
  3. Step 3: Cross multiply
    140,057.64x = 193,260.42 × 80,441.64
  4. Step 4: Simplify right side
    140,057.64x = 15,546,185,131.89
  5. Step 5: Solve for x
    x = 15,546,185,131.89/140,057.64
  6. Step 6: Final answer
    x = 110,998.48

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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.