Home / 298,961.19-412,576.38-178,085.97

Finding the Fourth Proportional to 298,961.19, 412,576.38 and 178,085.97

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Solution

The fourth proportional to 298,961.19, 412,576.38 and 178,085.97 is: 245,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,961.19 : 412,576.38 = 178,085.97 : x
  2. Step 2: Convert to fraction form
    298,961.19/412,576.38 = 178,085.97/x
  3. Step 3: Cross multiply
    298,961.19x = 412,576.38 × 178,085.97
  4. Step 4: Simplify right side
    298,961.19x = 73,474,064,831.39
  5. Step 5: Solve for x
    x = 73,474,064,831.39/298,961.19
  6. Step 6: Final answer
    x = 245,764.56

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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.