Home / 293,785.50-405,548.01-198,421.36

Finding the Fourth Proportional to 293,785.50, 405,548.01 and 198,421.36

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Solution

The fourth proportional to 293,785.50, 405,548.01 and 198,421.36 is: 273,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,785.50 : 405,548.01 = 198,421.36 : x
  2. Step 2: Convert to fraction form
    293,785.50/405,548.01 = 198,421.36/x
  3. Step 3: Cross multiply
    293,785.50x = 405,548.01 × 198,421.36
  4. Step 4: Simplify right side
    293,785.50x = 80,469,387,689.49
  5. Step 5: Solve for x
    x = 80,469,387,689.49/293,785.50
  6. Step 6: Final answer
    x = 273,905.24

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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.