Home / 293,783.24-405,544.91-198,419.11

Finding the Fourth Proportional to 293,783.24, 405,544.91 and 198,419.11

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Solution

The fourth proportional to 293,783.24, 405,544.91 and 198,419.11 is: 273,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,783.24 : 405,544.91 = 198,419.11 : x
  2. Step 2: Convert to fraction form
    293,783.24/405,544.91 = 198,419.11/x
  3. Step 3: Cross multiply
    293,783.24x = 405,544.91 × 198,419.11
  4. Step 4: Simplify right side
    293,783.24x = 80,467,858,101.27
  5. Step 5: Solve for x
    x = 80,467,858,101.27/293,783.24
  6. Step 6: Final answer
    x = 273,902.14

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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.