Home / 349,380.09-482,161.61-196,466.42

Finding the Fourth Proportional to 349,380.09, 482,161.61 and 196,466.42

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Solution

The fourth proportional to 349,380.09, 482,161.61 and 196,466.42 is: 271,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,380.09 : 482,161.61 = 196,466.42 : x
  2. Step 2: Convert to fraction form
    349,380.09/482,161.61 = 196,466.42/x
  3. Step 3: Cross multiply
    349,380.09x = 482,161.61 × 196,466.42
  4. Step 4: Simplify right side
    349,380.09x = 94,728,567,074.71
  5. Step 5: Solve for x
    x = 94,728,567,074.71/349,380.09
  6. Step 6: Final answer
    x = 271,133.27

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1.5x scale

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.