Home / 340,778.54-470,276.21-195,572.75

Finding the Fourth Proportional to 340,778.54, 470,276.21 and 195,572.75

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Solution

The fourth proportional to 340,778.54, 470,276.21 and 195,572.75 is: 269,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,778.54 : 470,276.21 = 195,572.75 : x
  2. Step 2: Convert to fraction form
    340,778.54/470,276.21 = 195,572.75/x
  3. Step 3: Cross multiply
    340,778.54x = 470,276.21 × 195,572.75
  4. Step 4: Simplify right side
    340,778.54x = 91,973,209,786.83
  5. Step 5: Solve for x
    x = 91,973,209,786.83/340,778.54
  6. Step 6: Final answer
    x = 269,891.43

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1.5x scale

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.