Home / 114,586.05-158,147.78-66,839.43

Finding the Fourth Proportional to 114,586.05, 158,147.78 and 66,839.43

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Solution

The fourth proportional to 114,586.05, 158,147.78 and 66,839.43 is: 92,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,586.05 : 158,147.78 = 66,839.43 : x
  2. Step 2: Convert to fraction form
    114,586.05/158,147.78 = 66,839.43/x
  3. Step 3: Cross multiply
    114,586.05x = 158,147.78 × 66,839.43
  4. Step 4: Simplify right side
    114,586.05x = 10,570,507,136.77
  5. Step 5: Solve for x
    x = 10,570,507,136.77/114,586.05
  6. Step 6: Final answer
    x = 92,249.51

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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.