Home / 235,174.38-324,541.26-127,743.54

Finding the Fourth Proportional to 235,174.38, 324,541.26 and 127,743.54

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Solution

The fourth proportional to 235,174.38, 324,541.26 and 127,743.54 is: 176,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,174.38 : 324,541.26 = 127,743.54 : x
  2. Step 2: Convert to fraction form
    235,174.38/324,541.26 = 127,743.54/x
  3. Step 3: Cross multiply
    235,174.38x = 324,541.26 × 127,743.54
  4. Step 4: Simplify right side
    235,174.38x = 41,458,049,428.46
  5. Step 5: Solve for x
    x = 41,458,049,428.46/235,174.38
  6. Step 6: Final answer
    x = 176,286.42

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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.