Home / 266,640.66-367,986.78-151,954.38

Finding the Fourth Proportional to 266,640.66, 367,986.78 and 151,954.38

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Solution

The fourth proportional to 266,640.66, 367,986.78 and 151,954.38 is: 209,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,640.66 : 367,986.78 = 151,954.38 : x
  2. Step 2: Convert to fraction form
    266,640.66/367,986.78 = 151,954.38/x
  3. Step 3: Cross multiply
    266,640.66x = 367,986.78 × 151,954.38
  4. Step 4: Simplify right side
    266,640.66x = 55,917,203,003.10
  5. Step 5: Solve for x
    x = 55,917,203,003.10/266,640.66
  6. Step 6: Final answer
    x = 209,709.96

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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.