Home / 358,049.90-494,099-196,904.94

Finding the Fourth Proportional to 358,049.90, 494,099 and 196,904.94

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Solution

The fourth proportional to 358,049.90, 494,099 and 196,904.94 is: 271,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.90 : 494,099 = 196,904.94 : x
  2. Step 2: Convert to fraction form
    358,049.90/494,099 = 196,904.94/x
  3. Step 3: Cross multiply
    358,049.90x = 494,099 × 196,904.94
  4. Step 4: Simplify right side
    358,049.90x = 97,290,533,949.06
  5. Step 5: Solve for x
    x = 97,290,533,949.06/358,049.90
  6. Step 6: Final answer
    x = 271,723.39

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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.