Home / 140,815.14-194,317.46-80,383.38

Finding the Fourth Proportional to 140,815.14, 194,317.46 and 80,383.38

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Solution

The fourth proportional to 140,815.14, 194,317.46 and 80,383.38 is: 110,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,815.14 : 194,317.46 = 80,383.38 : x
  2. Step 2: Convert to fraction form
    140,815.14/194,317.46 = 80,383.38/x
  3. Step 3: Cross multiply
    140,815.14x = 194,317.46 × 80,383.38
  4. Step 4: Simplify right side
    140,815.14x = 15,619,894,227.81
  5. Step 5: Solve for x
    x = 15,619,894,227.81/140,815.14
  6. Step 6: Final answer
    x = 110,924.82

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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.