Home / 198,196.53-273,444.99-112,143.54

Finding the Fourth Proportional to 198,196.53, 273,444.99 and 112,143.54

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Solution

The fourth proportional to 198,196.53, 273,444.99 and 112,143.54 is: 154,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,196.53 : 273,444.99 = 112,143.54 : x
  2. Step 2: Convert to fraction form
    198,196.53/273,444.99 = 112,143.54/x
  3. Step 3: Cross multiply
    198,196.53x = 273,444.99 × 112,143.54
  4. Step 4: Simplify right side
    198,196.53x = 30,665,089,173.86
  5. Step 5: Solve for x
    x = 30,665,089,173.86/198,196.53
  6. Step 6: Final answer
    x = 154,720.62

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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.