Home / 331,629.48-457,518.78-204,083.64

Finding the Fourth Proportional to 331,629.48, 457,518.78 and 204,083.64

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Solution

The fourth proportional to 331,629.48, 457,518.78 and 204,083.64 is: 281,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,629.48 : 457,518.78 = 204,083.64 : x
  2. Step 2: Convert to fraction form
    331,629.48/457,518.78 = 204,083.64/x
  3. Step 3: Cross multiply
    331,629.48x = 457,518.78 × 204,083.64
  4. Step 4: Simplify right side
    331,629.48x = 93,372,097,990.76
  5. Step 5: Solve for x
    x = 93,372,097,990.76/331,629.48
  6. Step 6: Final answer
    x = 281,555.48

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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.