Home / 293,723.79-405,358.88-166,400.43

Finding the Fourth Proportional to 293,723.79, 405,358.88 and 166,400.43

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Solution

The fourth proportional to 293,723.79, 405,358.88 and 166,400.43 is: 229,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,723.79 : 405,358.88 = 166,400.43 : x
  2. Step 2: Convert to fraction form
    293,723.79/405,358.88 = 166,400.43/x
  3. Step 3: Cross multiply
    293,723.79x = 405,358.88 × 166,400.43
  4. Step 4: Simplify right side
    293,723.79x = 67,451,891,936.32
  5. Step 5: Solve for x
    x = 67,451,891,936.32/293,723.79
  6. Step 6: Final answer
    x = 229,643.95

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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.