Home / 351,466.13-485,025.56-190,321.19

Finding the Fourth Proportional to 351,466.13, 485,025.56 and 190,321.19

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Solution

The fourth proportional to 351,466.13, 485,025.56 and 190,321.19 is: 262,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,466.13 : 485,025.56 = 190,321.19 : x
  2. Step 2: Convert to fraction form
    351,466.13/485,025.56 = 190,321.19/x
  3. Step 3: Cross multiply
    351,466.13x = 485,025.56 × 190,321.19
  4. Step 4: Simplify right side
    351,466.13x = 92,310,641,759.62
  5. Step 5: Solve for x
    x = 92,310,641,759.62/351,466.13
  6. Step 6: Final answer
    x = 262,644.49

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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.