Home / 226,796.49-312,992.03-130,016.34

Finding the Fourth Proportional to 226,796.49, 312,992.03 and 130,016.34

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Solution

The fourth proportional to 226,796.49, 312,992.03 and 130,016.34 is: 179,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,796.49 : 312,992.03 = 130,016.34 : x
  2. Step 2: Convert to fraction form
    226,796.49/312,992.03 = 130,016.34/x
  3. Step 3: Cross multiply
    226,796.49x = 312,992.03 × 130,016.34
  4. Step 4: Simplify right side
    226,796.49x = 40,694,078,514.81
  5. Step 5: Solve for x
    x = 40,694,078,514.81/226,796.49
  6. Step 6: Final answer
    x = 179,429.93

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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.