Home / 216,344.88-298,555.94-120,851.60

Finding the Fourth Proportional to 216,344.88, 298,555.94 and 120,851.60

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Solution

The fourth proportional to 216,344.88, 298,555.94 and 120,851.60 is: 166,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344.88 : 298,555.94 = 120,851.60 : x
  2. Step 2: Convert to fraction form
    216,344.88/298,555.94 = 120,851.60/x
  3. Step 3: Cross multiply
    216,344.88x = 298,555.94 × 120,851.60
  4. Step 4: Simplify right side
    216,344.88x = 36,080,961,847.85
  5. Step 5: Solve for x
    x = 36,080,961,847.85/216,344.88
  6. Step 6: Final answer
    x = 166,775.21

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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.