Home / 198,216.25-273,534.53-112,173.63

Finding the Fourth Proportional to 198,216.25, 273,534.53 and 112,173.63

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Solution

The fourth proportional to 198,216.25, 273,534.53 and 112,173.63 is: 154,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216.25 : 273,534.53 = 112,173.63 : x
  2. Step 2: Convert to fraction form
    198,216.25/273,534.53 = 112,173.63/x
  3. Step 3: Cross multiply
    198,216.25x = 273,534.53 × 112,173.63
  4. Step 4: Simplify right side
    198,216.25x = 30,683,361,440.88
  5. Step 5: Solve for x
    x = 30,683,361,440.88/198,216.25
  6. Step 6: Final answer
    x = 154,797.41

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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.