Home / 227,258.31-313,618.53-125,287.46

Finding the Fourth Proportional to 227,258.31, 313,618.53 and 125,287.46

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Solution

The fourth proportional to 227,258.31, 313,618.53 and 125,287.46 is: 172,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,258.31 : 313,618.53 = 125,287.46 : x
  2. Step 2: Convert to fraction form
    227,258.31/313,618.53 = 125,287.46/x
  3. Step 3: Cross multiply
    227,258.31x = 313,618.53 × 125,287.46
  4. Step 4: Simplify right side
    227,258.31x = 39,292,469,110.44
  5. Step 5: Solve for x
    x = 39,292,469,110.44/227,258.31
  6. Step 6: Final answer
    x = 172,897.83

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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.