Home / 321,923.12-444,233.04-178,683.20

Finding the Fourth Proportional to 321,923.12, 444,233.04 and 178,683.20

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Solution

The fourth proportional to 321,923.12, 444,233.04 and 178,683.20 is: 246,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,923.12 : 444,233.04 = 178,683.20 : x
  2. Step 2: Convert to fraction form
    321,923.12/444,233.04 = 178,683.20/x
  3. Step 3: Cross multiply
    321,923.12x = 444,233.04 × 178,683.20
  4. Step 4: Simplify right side
    321,923.12x = 79,376,981,132.93
  5. Step 5: Solve for x
    x = 79,376,981,132.93/321,923.12
  6. Step 6: Final answer
    x = 246,571.23

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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.