Home / 255,933.24-353,195.40-142,753.56

Finding the Fourth Proportional to 255,933.24, 353,195.40 and 142,753.56

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Solution

The fourth proportional to 255,933.24, 353,195.40 and 142,753.56 is: 197,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933.24 : 353,195.40 = 142,753.56 : x
  2. Step 2: Convert to fraction form
    255,933.24/353,195.40 = 142,753.56/x
  3. Step 3: Cross multiply
    255,933.24x = 353,195.40 × 142,753.56
  4. Step 4: Simplify right side
    255,933.24x = 50,419,900,725.62
  5. Step 5: Solve for x
    x = 50,419,900,725.62/255,933.24
  6. Step 6: Final answer
    x = 197,004.11

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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.