Home / 227,022.22-313,263.23-130,221.06

Finding the Fourth Proportional to 227,022.22, 313,263.23 and 130,221.06

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Solution

The fourth proportional to 227,022.22, 313,263.23 and 130,221.06 is: 179,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,022.22 : 313,263.23 = 130,221.06 : x
  2. Step 2: Convert to fraction form
    227,022.22/313,263.23 = 130,221.06/x
  3. Step 3: Cross multiply
    227,022.22x = 313,263.23 × 130,221.06
  4. Step 4: Simplify right side
    227,022.22x = 40,793,469,869.62
  5. Step 5: Solve for x
    x = 40,793,469,869.62/227,022.22
  6. Step 6: Final answer
    x = 179,689.33

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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.