Home / 140,176.36-193,414.50-80,548.84

Finding the Fourth Proportional to 140,176.36, 193,414.50 and 80,548.84

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Solution

The fourth proportional to 140,176.36, 193,414.50 and 80,548.84 is: 111,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,176.36 : 193,414.50 = 80,548.84 : x
  2. Step 2: Convert to fraction form
    140,176.36/193,414.50 = 80,548.84/x
  3. Step 3: Cross multiply
    140,176.36x = 193,414.50 × 80,548.84
  4. Step 4: Simplify right side
    140,176.36x = 15,579,313,614.18
  5. Step 5: Solve for x
    x = 15,579,313,614.18/140,176.36
  6. Step 6: Final answer
    x = 111,140.81

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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.