Home / 388,912.15-582,946.41-199,112.23

Finding the Fourth Proportional to 388,912.15, 582,946.41 and 199,112.23

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Solution

The fourth proportional to 388,912.15, 582,946.41 and 199,112.23 is: 298,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,912.15 : 582,946.41 = 199,112.23 : x
  2. Step 2: Convert to fraction form
    388,912.15/582,946.41 = 199,112.23/x
  3. Step 3: Cross multiply
    388,912.15x = 582,946.41 × 199,112.23
  4. Step 4: Simplify right side
    388,912.15x = 116,071,756,750.86
  5. Step 5: Solve for x
    x = 116,071,756,750.86/388,912.15
  6. Step 6: Final answer
    x = 298,452.38

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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.