Home / 263,634.50-363,813.67-142,772.98

Finding the Fourth Proportional to 263,634.50, 363,813.67 and 142,772.98

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Solution

The fourth proportional to 263,634.50, 363,813.67 and 142,772.98 is: 197,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.50 : 363,813.67 = 142,772.98 : x
  2. Step 2: Convert to fraction form
    263,634.50/363,813.67 = 142,772.98/x
  3. Step 3: Cross multiply
    263,634.50x = 363,813.67 × 142,772.98
  4. Step 4: Simplify right side
    263,634.50x = 51,942,761,830.64
  5. Step 5: Solve for x
    x = 51,942,761,830.64/263,634.50
  6. Step 6: Final answer
    x = 197,025.66

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1.5x scale

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.