Home / 356,334.92-491,742.30-195,195.77

Finding the Fourth Proportional to 356,334.92, 491,742.30 and 195,195.77

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Solution

The fourth proportional to 356,334.92, 491,742.30 and 195,195.77 is: 269,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,334.92 : 491,742.30 = 195,195.77 : x
  2. Step 2: Convert to fraction form
    356,334.92/491,742.30 = 195,195.77/x
  3. Step 3: Cross multiply
    356,334.92x = 491,742.30 × 195,195.77
  4. Step 4: Simplify right side
    356,334.92x = 95,986,014,431.36
  5. Step 5: Solve for x
    x = 95,986,014,431.36/356,334.92
  6. Step 6: Final answer
    x = 269,370.22

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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.