Home / 226,186.32-339,276-76,531.76

Finding the Fourth Proportional to 226,186.32, 339,276 and 76,531.76

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Solution

The fourth proportional to 226,186.32, 339,276 and 76,531.76 is: 114,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,186.32 : 339,276 = 76,531.76 : x
  2. Step 2: Convert to fraction form
    226,186.32/339,276 = 76,531.76/x
  3. Step 3: Cross multiply
    226,186.32x = 339,276 × 76,531.76
  4. Step 4: Simplify right side
    226,186.32x = 25,965,389,405.76
  5. Step 5: Solve for x
    x = 25,965,389,405.76/226,186.32
  6. Step 6: Final answer
    x = 114,796.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.