Home / 331,637.56-457,529.92-204,091.72

Finding the Fourth Proportional to 331,637.56, 457,529.92 and 204,091.72

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Solution

The fourth proportional to 331,637.56, 457,529.92 and 204,091.72 is: 281,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,637.56 : 457,529.92 = 204,091.72 : x
  2. Step 2: Convert to fraction form
    331,637.56/457,529.92 = 204,091.72/x
  3. Step 3: Cross multiply
    331,637.56x = 457,529.92 × 204,091.72
  4. Step 4: Simplify right side
    331,637.56x = 93,378,068,324.26
  5. Step 5: Solve for x
    x = 93,378,068,324.26/331,637.56
  6. Step 6: Final answer
    x = 281,566.62

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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.