Home / 225,760.32-311,563.26-125,158.32

Finding the Fourth Proportional to 225,760.32, 311,563.26 and 125,158.32

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Solution

The fourth proportional to 225,760.32, 311,563.26 and 125,158.32 is: 172,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,760.32 : 311,563.26 = 125,158.32 : x
  2. Step 2: Convert to fraction form
    225,760.32/311,563.26 = 125,158.32/x
  3. Step 3: Cross multiply
    225,760.32x = 311,563.26 × 125,158.32
  4. Step 4: Simplify right side
    225,760.32x = 38,994,734,195.32
  5. Step 5: Solve for x
    x = 38,994,734,195.32/225,760.32
  6. Step 6: Final answer
    x = 172,726.25

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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.