Home / 225,975.43-311,992.17-140,025.62

Finding the Fourth Proportional to 225,975.43, 311,992.17 and 140,025.62

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Solution

The fourth proportional to 225,975.43, 311,992.17 and 140,025.62 is: 193,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,975.43 : 311,992.17 = 140,025.62 : x
  2. Step 2: Convert to fraction form
    225,975.43/311,992.17 = 140,025.62/x
  3. Step 3: Cross multiply
    225,975.43x = 311,992.17 × 140,025.62
  4. Step 4: Simplify right side
    225,975.43x = 43,686,897,039.40
  5. Step 5: Solve for x
    x = 43,686,897,039.40/225,975.43
  6. Step 6: Final answer
    x = 193,325.87

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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.