Home / 300,164.19-414,236.82-171,121.75

Finding the Fourth Proportional to 300,164.19, 414,236.82 and 171,121.75

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Solution

The fourth proportional to 300,164.19, 414,236.82 and 171,121.75 is: 236,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,164.19 : 414,236.82 = 171,121.75 : x
  2. Step 2: Convert to fraction form
    300,164.19/414,236.82 = 171,121.75/x
  3. Step 3: Cross multiply
    300,164.19x = 414,236.82 × 171,121.75
  4. Step 4: Simplify right side
    300,164.19x = 70,884,929,158.95
  5. Step 5: Solve for x
    x = 70,884,929,158.95/300,164.19
  6. Step 6: Final answer
    x = 236,153.85

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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.