Home / 351,321.22-484,823.58-190,175.78

Finding the Fourth Proportional to 351,321.22, 484,823.58 and 190,175.78

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Solution

The fourth proportional to 351,321.22, 484,823.58 and 190,175.78 is: 262,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,321.22 : 484,823.58 = 190,175.78 : x
  2. Step 2: Convert to fraction form
    351,321.22/484,823.58 = 190,175.78/x
  3. Step 3: Cross multiply
    351,321.22x = 484,823.58 × 190,175.78
  4. Step 4: Simplify right side
    351,321.22x = 92,201,702,488.89
  5. Step 5: Solve for x
    x = 92,201,702,488.89/351,321.22
  6. Step 6: Final answer
    x = 262,442.74

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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.