Home / 331,743.20-457,817.82-188,527.28

Finding the Fourth Proportional to 331,743.20, 457,817.82 and 188,527.28

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Solution

The fourth proportional to 331,743.20, 457,817.82 and 188,527.28 is: 260,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,743.20 : 457,817.82 = 188,527.28 : x
  2. Step 2: Convert to fraction form
    331,743.20/457,817.82 = 188,527.28/x
  3. Step 3: Cross multiply
    331,743.20x = 457,817.82 × 188,527.28
  4. Step 4: Simplify right side
    331,743.20x = 86,311,148,340.13
  5. Step 5: Solve for x
    x = 86,311,148,340.13/331,743.20
  6. Step 6: Final answer
    x = 260,174.58

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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.