Home / 225,543.06-311,249.25-123,574.88

Finding the Fourth Proportional to 225,543.06, 311,249.25 and 123,574.88

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Solution

The fourth proportional to 225,543.06, 311,249.25 and 123,574.88 is: 170,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,543.06 : 311,249.25 = 123,574.88 : x
  2. Step 2: Convert to fraction form
    225,543.06/311,249.25 = 123,574.88/x
  3. Step 3: Cross multiply
    225,543.06x = 311,249.25 × 123,574.88
  4. Step 4: Simplify right side
    225,543.06x = 38,462,589,496.96
  5. Step 5: Solve for x
    x = 38,462,589,496.96/225,543.06
  6. Step 6: Final answer
    x = 170,533.24

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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.