Home / 268,913.79-403,183.98-119,072.43

Finding the Fourth Proportional to 268,913.79, 403,183.98 and 119,072.43

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Solution

The fourth proportional to 268,913.79, 403,183.98 and 119,072.43 is: 178,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,913.79 : 403,183.98 = 119,072.43 : x
  2. Step 2: Convert to fraction form
    268,913.79/403,183.98 = 119,072.43/x
  3. Step 3: Cross multiply
    268,913.79x = 403,183.98 × 119,072.43
  4. Step 4: Simplify right side
    268,913.79x = 48,008,096,235.67
  5. Step 5: Solve for x
    x = 48,008,096,235.67/268,913.79
  6. Step 6: Final answer
    x = 178,525.97

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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.