Home / 351,466.16-485,025.60-190,321.22

Finding the Fourth Proportional to 351,466.16, 485,025.60 and 190,321.22

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Solution

The fourth proportional to 351,466.16, 485,025.60 and 190,321.22 is: 262,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,466.16 : 485,025.60 = 190,321.22 : x
  2. Step 2: Convert to fraction form
    351,466.16/485,025.60 = 190,321.22/x
  3. Step 3: Cross multiply
    351,466.16x = 485,025.60 × 190,321.22
  4. Step 4: Simplify right side
    351,466.16x = 92,310,661,498.10
  5. Step 5: Solve for x
    x = 92,310,661,498.10/351,466.16
  6. Step 6: Final answer
    x = 262,644.53

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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.