Home / 293,740.72-405,361.20-166,440.58

Finding the Fourth Proportional to 293,740.72, 405,361.20 and 166,440.58

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Solution

The fourth proportional to 293,740.72, 405,361.20 and 166,440.58 is: 229,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,740.72 : 405,361.20 = 166,440.58 : x
  2. Step 2: Convert to fraction form
    293,740.72/405,361.20 = 166,440.58/x
  3. Step 3: Cross multiply
    293,740.72x = 405,361.20 × 166,440.58
  4. Step 4: Simplify right side
    293,740.72x = 67,468,553,237.50
  5. Step 5: Solve for x
    x = 67,468,553,237.50/293,740.72
  6. Step 6: Final answer
    x = 229,687.44

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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.