Home / 351,979.08-485,734.74-190,834.44

Finding the Fourth Proportional to 351,979.08, 485,734.74 and 190,834.44

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Solution

The fourth proportional to 351,979.08, 485,734.74 and 190,834.44 is: 263,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,979.08 : 485,734.74 = 190,834.44 : x
  2. Step 2: Convert to fraction form
    351,979.08/485,734.74 = 190,834.44/x
  3. Step 3: Cross multiply
    351,979.08x = 485,734.74 × 190,834.44
  4. Step 4: Simplify right side
    351,979.08x = 92,694,917,096.45
  5. Step 5: Solve for x
    x = 92,694,917,096.45/351,979.08
  6. Step 6: Final answer
    x = 263,353.48

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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.