Home / 229,164.38-343,755.89-109,159.64

Finding the Fourth Proportional to 229,164.38, 343,755.89 and 109,159.64

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Solution

The fourth proportional to 229,164.38, 343,755.89 and 109,159.64 is: 163,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164.38 : 343,755.89 = 109,159.64 : x
  2. Step 2: Convert to fraction form
    229,164.38/343,755.89 = 109,159.64/x
  3. Step 3: Cross multiply
    229,164.38x = 343,755.89 × 109,159.64
  4. Step 4: Simplify right side
    229,164.38x = 37,524,266,935.70
  5. Step 5: Solve for x
    x = 37,524,266,935.70/229,164.38
  6. Step 6: Final answer
    x = 163,743.89

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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.