Home / 226,629.54-312,774.48-129,842.64

Finding the Fourth Proportional to 226,629.54, 312,774.48 and 129,842.64

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Solution

The fourth proportional to 226,629.54, 312,774.48 and 129,842.64 is: 179,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,629.54 : 312,774.48 = 129,842.64 : x
  2. Step 2: Convert to fraction form
    226,629.54/312,774.48 = 129,842.64/x
  3. Step 3: Cross multiply
    226,629.54x = 312,774.48 × 129,842.64
  4. Step 4: Simplify right side
    226,629.54x = 40,611,464,207.83
  5. Step 5: Solve for x
    x = 40,611,464,207.83/226,629.54
  6. Step 6: Final answer
    x = 179,197.58

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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.