Home / 263,586.87-363,748.23-142,725.60

Finding the Fourth Proportional to 263,586.87, 363,748.23 and 142,725.60

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Solution

The fourth proportional to 263,586.87, 363,748.23 and 142,725.60 is: 196,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,586.87 : 363,748.23 = 142,725.60 : x
  2. Step 2: Convert to fraction form
    263,586.87/363,748.23 = 142,725.60/x
  3. Step 3: Cross multiply
    263,586.87x = 363,748.23 × 142,725.60
  4. Step 4: Simplify right side
    263,586.87x = 51,916,184,375.69
  5. Step 5: Solve for x
    x = 51,916,184,375.69/263,586.87
  6. Step 6: Final answer
    x = 196,960.43

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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.