Home / 226,201.48-312,144.24-124,207.09

Finding the Fourth Proportional to 226,201.48, 312,144.24 and 124,207.09

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Solution

The fourth proportional to 226,201.48, 312,144.24 and 124,207.09 is: 171,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,201.48 : 312,144.24 = 124,207.09 : x
  2. Step 2: Convert to fraction form
    226,201.48/312,144.24 = 124,207.09/x
  3. Step 3: Cross multiply
    226,201.48x = 312,144.24 × 124,207.09
  4. Step 4: Simplify right side
    226,201.48x = 38,770,527,710.66
  5. Step 5: Solve for x
    x = 38,770,527,710.66/226,201.48
  6. Step 6: Final answer
    x = 171,398.21

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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.