Home / 140,628.44-194,028.81-80,177.04

Finding the Fourth Proportional to 140,628.44, 194,028.81 and 80,177.04

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Solution

The fourth proportional to 140,628.44, 194,028.81 and 80,177.04 is: 110,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,628.44 : 194,028.81 = 80,177.04 : x
  2. Step 2: Convert to fraction form
    140,628.44/194,028.81 = 80,177.04/x
  3. Step 3: Cross multiply
    140,628.44x = 194,028.81 × 80,177.04
  4. Step 4: Simplify right side
    140,628.44x = 15,556,655,359.86
  5. Step 5: Solve for x
    x = 15,556,655,359.86/140,628.44
  6. Step 6: Final answer
    x = 110,622.40

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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.