Home / 351,976.32-485,721.36-199,012.14

Finding the Fourth Proportional to 351,976.32, 485,721.36 and 199,012.14

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Solution

The fourth proportional to 351,976.32, 485,721.36 and 199,012.14 is: 274,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,976.32 : 485,721.36 = 199,012.14 : x
  2. Step 2: Convert to fraction form
    351,976.32/485,721.36 = 199,012.14/x
  3. Step 3: Cross multiply
    351,976.32x = 485,721.36 × 199,012.14
  4. Step 4: Simplify right side
    351,976.32x = 96,664,447,297.31
  5. Step 5: Solve for x
    x = 96,664,447,297.31/351,976.32
  6. Step 6: Final answer
    x = 274,633.38

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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.