Home / 300,021.52-414,040.26-179,255.38

Finding the Fourth Proportional to 300,021.52, 414,040.26 and 179,255.38

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Solution

The fourth proportional to 300,021.52, 414,040.26 and 179,255.38 is: 247,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,021.52 : 414,040.26 = 179,255.38 : x
  2. Step 2: Convert to fraction form
    300,021.52/414,040.26 = 179,255.38/x
  3. Step 3: Cross multiply
    300,021.52x = 414,040.26 × 179,255.38
  4. Step 4: Simplify right side
    300,021.52x = 74,218,944,141.60
  5. Step 5: Solve for x
    x = 74,218,944,141.60/300,021.52
  6. Step 6: Final answer
    x = 247,378.74

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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.