Home / 388,834.38-583,481.21-164,180.28

Finding the Fourth Proportional to 388,834.38, 583,481.21 and 164,180.28

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Solution

The fourth proportional to 388,834.38, 583,481.21 and 164,180.28 is: 246,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,834.38 : 583,481.21 = 164,180.28 : x
  2. Step 2: Convert to fraction form
    388,834.38/583,481.21 = 164,180.28/x
  3. Step 3: Cross multiply
    388,834.38x = 583,481.21 × 164,180.28
  4. Step 4: Simplify right side
    388,834.38x = 95,796,108,432.54
  5. Step 5: Solve for x
    x = 95,796,108,432.54/388,834.38
  6. Step 6: Final answer
    x = 246,367.38

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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.