Home / 358,074.04-494,143.92-196,939.36

Finding the Fourth Proportional to 358,074.04, 494,143.92 and 196,939.36

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Solution

The fourth proportional to 358,074.04, 494,143.92 and 196,939.36 is: 271,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,074.04 : 494,143.92 = 196,939.36 : x
  2. Step 2: Convert to fraction form
    358,074.04/494,143.92 = 196,939.36/x
  3. Step 3: Cross multiply
    358,074.04x = 494,143.92 × 196,939.36
  4. Step 4: Simplify right side
    358,074.04x = 97,316,387,352.69
  5. Step 5: Solve for x
    x = 97,316,387,352.69/358,074.04
  6. Step 6: Final answer
    x = 271,777.28

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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.