Home / 358,142.23-494,228.22-196,993.75

Finding the Fourth Proportional to 358,142.23, 494,228.22 and 196,993.75

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Solution

The fourth proportional to 358,142.23, 494,228.22 and 196,993.75 is: 271,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,142.23 : 494,228.22 = 196,993.75 : x
  2. Step 2: Convert to fraction form
    358,142.23/494,228.22 = 196,993.75/x
  3. Step 3: Cross multiply
    358,142.23x = 494,228.22 × 196,993.75
  4. Step 4: Simplify right side
    358,142.23x = 97,359,870,413.63
  5. Step 5: Solve for x
    x = 97,359,870,413.63/358,142.23
  6. Step 6: Final answer
    x = 271,846.94

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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.