Home / 298,784.21-412,140.89-177,844.73

Finding the Fourth Proportional to 298,784.21, 412,140.89 and 177,844.73

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Solution

The fourth proportional to 298,784.21, 412,140.89 and 177,844.73 is: 245,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,784.21 : 412,140.89 = 177,844.73 : x
  2. Step 2: Convert to fraction form
    298,784.21/412,140.89 = 177,844.73/x
  3. Step 3: Cross multiply
    298,784.21x = 412,140.89 × 177,844.73
  4. Step 4: Simplify right side
    298,784.21x = 73,297,083,687.92
  5. Step 5: Solve for x
    x = 73,297,083,687.92/298,784.21
  6. Step 6: Final answer
    x = 245,317.80

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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.