Home / 140,544.05-193,945.79-80,134.14

Finding the Fourth Proportional to 140,544.05, 193,945.79 and 80,134.14

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Solution

The fourth proportional to 140,544.05, 193,945.79 and 80,134.14 is: 110,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.05 : 193,945.79 = 80,134.14 : x
  2. Step 2: Convert to fraction form
    140,544.05/193,945.79 = 80,134.14/x
  3. Step 3: Cross multiply
    140,544.05x = 193,945.79 × 80,134.14
  4. Step 4: Simplify right side
    140,544.05x = 15,541,680,015.90
  5. Step 5: Solve for x
    x = 15,541,680,015.90/140,544.05
  6. Step 6: Final answer
    x = 110,582.27

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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.