Home / 225,891.04-311,766.96-125,321.44

Finding the Fourth Proportional to 225,891.04, 311,766.96 and 125,321.44

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Solution

The fourth proportional to 225,891.04, 311,766.96 and 125,321.44 is: 172,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,891.04 : 311,766.96 = 125,321.44 : x
  2. Step 2: Convert to fraction form
    225,891.04/311,766.96 = 125,321.44/x
  3. Step 3: Cross multiply
    225,891.04x = 311,766.96 × 125,321.44
  4. Step 4: Simplify right side
    225,891.04x = 39,071,084,371.62
  5. Step 5: Solve for x
    x = 39,071,084,371.62/225,891.04
  6. Step 6: Final answer
    x = 172,964.29

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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.