Home / 211,144.49-291,375.79-114,347.56

Finding the Fourth Proportional to 211,144.49, 291,375.79 and 114,347.56

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Solution

The fourth proportional to 211,144.49, 291,375.79 and 114,347.56 is: 157,797.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.49 : 291,375.79 = 114,347.56 : x
  2. Step 2: Convert to fraction form
    211,144.49/291,375.79 = 114,347.56/x
  3. Step 3: Cross multiply
    211,144.49x = 291,375.79 × 114,347.56
  4. Step 4: Simplify right side
    211,144.49x = 33,318,110,629.57
  5. Step 5: Solve for x
    x = 33,318,110,629.57/211,144.49
  6. Step 6: Final answer
    x = 157,797.68

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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.