Home / 293,946.30-440,872.24-80,664.40

Finding the Fourth Proportional to 293,946.30, 440,872.24 and 80,664.40

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Solution

The fourth proportional to 293,946.30, 440,872.24 and 80,664.40 is: 120,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,946.30 : 440,872.24 = 80,664.40 : x
  2. Step 2: Convert to fraction form
    293,946.30/440,872.24 = 80,664.40/x
  3. Step 3: Cross multiply
    293,946.30x = 440,872.24 × 80,664.40
  4. Step 4: Simplify right side
    293,946.30x = 35,562,692,511.89
  5. Step 5: Solve for x
    x = 35,562,692,511.89/293,946.30
  6. Step 6: Final answer
    x = 120,983.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.