Home / 358,119.54-494,205.22-196,986.85

Finding the Fourth Proportional to 358,119.54, 494,205.22 and 196,986.85

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Solution

The fourth proportional to 358,119.54, 494,205.22 and 196,986.85 is: 271,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,119.54 : 494,205.22 = 196,986.85 : x
  2. Step 2: Convert to fraction form
    358,119.54/494,205.22 = 196,986.85/x
  3. Step 3: Cross multiply
    358,119.54x = 494,205.22 × 196,986.85
  4. Step 4: Simplify right side
    358,119.54x = 97,351,928,798.31
  5. Step 5: Solve for x
    x = 97,351,928,798.31/358,119.54
  6. Step 6: Final answer
    x = 271,841.99

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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.