Home / 195,816.96-269,898.48-149,860.80

Finding the Fourth Proportional to 195,816.96, 269,898.48 and 149,860.80

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Solution

The fourth proportional to 195,816.96, 269,898.48 and 149,860.80 is: 206,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,816.96 : 269,898.48 = 149,860.80 : x
  2. Step 2: Convert to fraction form
    195,816.96/269,898.48 = 149,860.80/x
  3. Step 3: Cross multiply
    195,816.96x = 269,898.48 × 149,860.80
  4. Step 4: Simplify right side
    195,816.96x = 40,447,202,131.58
  5. Step 5: Solve for x
    x = 40,447,202,131.58/195,816.96
  6. Step 6: Final answer
    x = 206,556.17

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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.