Home / 331,396.47-457,299.04-186,190.92

Finding the Fourth Proportional to 331,396.47, 457,299.04 and 186,190.92

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Solution

The fourth proportional to 331,396.47, 457,299.04 and 186,190.92 is: 256,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,396.47 : 457,299.04 = 186,190.92 : x
  2. Step 2: Convert to fraction form
    331,396.47/457,299.04 = 186,190.92/x
  3. Step 3: Cross multiply
    331,396.47x = 457,299.04 × 186,190.92
  4. Step 4: Simplify right side
    331,396.47x = 85,144,928,972.72
  5. Step 5: Solve for x
    x = 85,144,928,972.72/331,396.47
  6. Step 6: Final answer
    x = 256,927.69

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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.