Home / 293,785.25-405,547.67-198,421.11

Finding the Fourth Proportional to 293,785.25, 405,547.67 and 198,421.11

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Solution

The fourth proportional to 293,785.25, 405,547.67 and 198,421.11 is: 273,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,785.25 : 405,547.67 = 198,421.11 : x
  2. Step 2: Convert to fraction form
    293,785.25/405,547.67 = 198,421.11/x
  3. Step 3: Cross multiply
    293,785.25x = 405,547.67 × 198,421.11
  4. Step 4: Simplify right side
    293,785.25x = 80,469,217,847.21
  5. Step 5: Solve for x
    x = 80,469,217,847.21/293,785.25
  6. Step 6: Final answer
    x = 273,904.90

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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.