Home / 351,819.34-485,512.39-190,674.35

Finding the Fourth Proportional to 351,819.34, 485,512.39 and 190,674.35

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Solution

The fourth proportional to 351,819.34, 485,512.39 and 190,674.35 is: 263,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,819.34 : 485,512.39 = 190,674.35 : x
  2. Step 2: Convert to fraction form
    351,819.34/485,512.39 = 190,674.35/x
  3. Step 3: Cross multiply
    351,819.34x = 485,512.39 × 190,674.35
  4. Step 4: Simplify right side
    351,819.34x = 92,574,759,380.20
  5. Step 5: Solve for x
    x = 92,574,759,380.20/351,819.34
  6. Step 6: Final answer
    x = 263,131.52

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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.