Home / 225,767.32-311,572.94-125,165.32

Finding the Fourth Proportional to 225,767.32, 311,572.94 and 125,165.32

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Solution

The fourth proportional to 225,767.32, 311,572.94 and 125,165.32 is: 172,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,767.32 : 311,572.94 = 125,165.32 : x
  2. Step 2: Convert to fraction form
    225,767.32/311,572.94 = 125,165.32/x
  3. Step 3: Cross multiply
    225,767.32x = 311,572.94 × 125,165.32
  4. Step 4: Simplify right side
    225,767.32x = 38,998,126,738.44
  5. Step 5: Solve for x
    x = 38,998,126,738.44/225,767.32
  6. Step 6: Final answer
    x = 172,735.92

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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.