Home / 262,813.42-394,278.45-122,495.50

Finding the Fourth Proportional to 262,813.42, 394,278.45 and 122,495.50

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Solution

The fourth proportional to 262,813.42, 394,278.45 and 122,495.50 is: 183,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,813.42 : 394,278.45 = 122,495.50 : x
  2. Step 2: Convert to fraction form
    262,813.42/394,278.45 = 122,495.50/x
  3. Step 3: Cross multiply
    262,813.42x = 394,278.45 × 122,495.50
  4. Step 4: Simplify right side
    262,813.42x = 48,297,335,871.98
  5. Step 5: Solve for x
    x = 48,297,335,871.98/262,813.42
  6. Step 6: Final answer
    x = 183,770.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.