Home / 351,544.32-485,173.80-198,588.96

Finding the Fourth Proportional to 351,544.32, 485,173.80 and 198,588.96

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Solution

The fourth proportional to 351,544.32, 485,173.80 and 198,588.96 is: 274,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,544.32 : 485,173.80 = 198,588.96 : x
  2. Step 2: Convert to fraction form
    351,544.32/485,173.80 = 198,588.96/x
  3. Step 3: Cross multiply
    351,544.32x = 485,173.80 × 198,588.96
  4. Step 4: Simplify right side
    351,544.32x = 96,350,160,361.25
  5. Step 5: Solve for x
    x = 96,350,160,361.25/351,544.32
  6. Step 6: Final answer
    x = 274,076.85

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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.