Home / 225,917.24-311,733.43-135,251.51

Finding the Fourth Proportional to 225,917.24, 311,733.43 and 135,251.51

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Solution

The fourth proportional to 225,917.24, 311,733.43 and 135,251.51 is: 186,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,917.24 : 311,733.43 = 135,251.51 : x
  2. Step 2: Convert to fraction form
    225,917.24/311,733.43 = 135,251.51/x
  3. Step 3: Cross multiply
    225,917.24x = 311,733.43 × 135,251.51
  4. Step 4: Simplify right side
    225,917.24x = 42,162,415,228.18
  5. Step 5: Solve for x
    x = 42,162,415,228.18/225,917.24
  6. Step 6: Final answer
    x = 186,627.71

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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.