Home / 349,438.87-482,221.03-194,388.62

Finding the Fourth Proportional to 349,438.87, 482,221.03 and 194,388.62

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Solution

The fourth proportional to 349,438.87, 482,221.03 and 194,388.62 is: 268,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,438.87 : 482,221.03 = 194,388.62 : x
  2. Step 2: Convert to fraction form
    349,438.87/482,221.03 = 194,388.62/x
  3. Step 3: Cross multiply
    349,438.87x = 482,221.03 × 194,388.62
  4. Step 4: Simplify right side
    349,438.87x = 93,738,280,556.68
  5. Step 5: Solve for x
    x = 93,738,280,556.68/349,438.87
  6. Step 6: Final answer
    x = 268,253.73

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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.