Home / 293,946.80-440,872.99-80,664.90

Finding the Fourth Proportional to 293,946.80, 440,872.99 and 80,664.90

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Solution

The fourth proportional to 293,946.80, 440,872.99 and 80,664.90 is: 120,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,946.80 : 440,872.99 = 80,664.90 : x
  2. Step 2: Convert to fraction form
    293,946.80/440,872.99 = 80,664.90/x
  3. Step 3: Cross multiply
    293,946.80x = 440,872.99 × 80,664.90
  4. Step 4: Simplify right side
    293,946.80x = 35,562,973,446.69
  5. Step 5: Solve for x
    x = 35,562,973,446.69/293,946.80
  6. Step 6: Final answer
    x = 120,984.39

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1.5x scale

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.