Home / 388,621.92-582,821.08-164,032.96

Finding the Fourth Proportional to 388,621.92, 582,821.08 and 164,032.96

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Solution

The fourth proportional to 388,621.92, 582,821.08 and 164,032.96 is: 246,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,621.92 : 582,821.08 = 164,032.96 : x
  2. Step 2: Convert to fraction form
    388,621.92/582,821.08 = 164,032.96/x
  3. Step 3: Cross multiply
    388,621.92x = 582,821.08 × 164,032.96
  4. Step 4: Simplify right side
    388,621.92x = 95,601,866,902.80
  5. Step 5: Solve for x
    x = 95,601,866,902.80/388,621.92
  6. Step 6: Final answer
    x = 246,002.25

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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.