Home / 245,321.28-367,993.80-67,824.36

Finding the Fourth Proportional to 245,321.28, 367,993.80 and 67,824.36

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Solution

The fourth proportional to 245,321.28, 367,993.80 and 67,824.36 is: 101,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,321.28 : 367,993.80 = 67,824.36 : x
  2. Step 2: Convert to fraction form
    245,321.28/367,993.80 = 67,824.36/x
  3. Step 3: Cross multiply
    245,321.28x = 367,993.80 × 67,824.36
  4. Step 4: Simplify right side
    245,321.28x = 24,958,943,968.97
  5. Step 5: Solve for x
    x = 24,958,943,968.97/245,321.28
  6. Step 6: Final answer
    x = 101,739.82

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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.