Home / 225,976.09-311,846.13-124,003.25

Finding the Fourth Proportional to 225,976.09, 311,846.13 and 124,003.25

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Solution

The fourth proportional to 225,976.09, 311,846.13 and 124,003.25 is: 171,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,976.09 : 311,846.13 = 124,003.25 : x
  2. Step 2: Convert to fraction form
    225,976.09/311,846.13 = 124,003.25/x
  3. Step 3: Cross multiply
    225,976.09x = 311,846.13 × 124,003.25
  4. Step 4: Simplify right side
    225,976.09x = 38,669,933,619.92
  5. Step 5: Solve for x
    x = 38,669,933,619.92/225,976.09
  6. Step 6: Final answer
    x = 171,124.01

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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.