Home / 225,682.54-311,448.04-162,139.26

Finding the Fourth Proportional to 225,682.54, 311,448.04 and 162,139.26

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Solution

The fourth proportional to 225,682.54, 311,448.04 and 162,139.26 is: 223,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,682.54 : 311,448.04 = 162,139.26 : x
  2. Step 2: Convert to fraction form
    225,682.54/311,448.04 = 162,139.26/x
  3. Step 3: Cross multiply
    225,682.54x = 311,448.04 × 162,139.26
  4. Step 4: Simplify right side
    225,682.54x = 50,497,954,734.05
  5. Step 5: Solve for x
    x = 50,497,954,734.05/225,682.54
  6. Step 6: Final answer
    x = 223,756.59

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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.