Home / 334,355.40-461,321.18-198,276.21

Finding the Fourth Proportional to 334,355.40, 461,321.18 and 198,276.21

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Solution

The fourth proportional to 334,355.40, 461,321.18 and 198,276.21 is: 273,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,355.40 : 461,321.18 = 198,276.21 : x
  2. Step 2: Convert to fraction form
    334,355.40/461,321.18 = 198,276.21/x
  3. Step 3: Cross multiply
    334,355.40x = 461,321.18 × 198,276.21
  4. Step 4: Simplify right side
    334,355.40x = 91,469,015,163.13
  5. Step 5: Solve for x
    x = 91,469,015,163.13/334,355.40
  6. Step 6: Final answer
    x = 273,568.23

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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.