Home / 225,812.04-311,634.41-130,324.88

Finding the Fourth Proportional to 225,812.04, 311,634.41 and 130,324.88

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Solution

The fourth proportional to 225,812.04, 311,634.41 and 130,324.88 is: 179,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,812.04 : 311,634.41 = 130,324.88 : x
  2. Step 2: Convert to fraction form
    225,812.04/311,634.41 = 130,324.88/x
  3. Step 3: Cross multiply
    225,812.04x = 311,634.41 × 130,324.88
  4. Step 4: Simplify right side
    225,812.04x = 40,613,717,214.58
  5. Step 5: Solve for x
    x = 40,613,717,214.58/225,812.04
  6. Step 6: Final answer
    x = 179,856.30

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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.