Home / 267,738.12-369,475.56-154,558.44

Finding the Fourth Proportional to 267,738.12, 369,475.56 and 154,558.44

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Solution

The fourth proportional to 267,738.12, 369,475.56 and 154,558.44 is: 213,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,738.12 : 369,475.56 = 154,558.44 : x
  2. Step 2: Convert to fraction form
    267,738.12/369,475.56 = 154,558.44/x
  3. Step 3: Cross multiply
    267,738.12x = 369,475.56 × 154,558.44
  4. Step 4: Simplify right side
    267,738.12x = 57,105,566,171.73
  5. Step 5: Solve for x
    x = 57,105,566,171.73/267,738.12
  6. Step 6: Final answer
    x = 213,288.89

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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.