Home / 263,711.55-363,923.70-142,852.85

Finding the Fourth Proportional to 263,711.55, 363,923.70 and 142,852.85

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Solution

The fourth proportional to 263,711.55, 363,923.70 and 142,852.85 is: 197,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,711.55 : 363,923.70 = 142,852.85 : x
  2. Step 2: Convert to fraction form
    263,711.55/363,923.70 = 142,852.85/x
  3. Step 3: Cross multiply
    263,711.55x = 363,923.70 × 142,852.85
  4. Step 4: Simplify right side
    263,711.55x = 51,987,536,736.94
  5. Step 5: Solve for x
    x = 51,987,536,736.94/263,711.55
  6. Step 6: Final answer
    x = 197,137.88

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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.