Home / 358,049.09-494,097.89-196,904.14

Finding the Fourth Proportional to 358,049.09, 494,097.89 and 196,904.14

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Solution

The fourth proportional to 358,049.09, 494,097.89 and 196,904.14 is: 271,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,049.09 : 494,097.89 = 196,904.14 : x
  2. Step 2: Convert to fraction form
    358,049.09/494,097.89 = 196,904.14/x
  3. Step 3: Cross multiply
    358,049.09x = 494,097.89 × 196,904.14
  4. Step 4: Simplify right side
    358,049.09x = 97,289,921,833.77
  5. Step 5: Solve for x
    x = 97,289,921,833.77/358,049.09
  6. Step 6: Final answer
    x = 271,722.30

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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.