Home / 111,025.20-166,537.80-98,194.80

Finding the Fourth Proportional to 111,025.20, 166,537.80 and 98,194.80

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Solution

The fourth proportional to 111,025.20, 166,537.80 and 98,194.80 is: 147,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,025.20 : 166,537.80 = 98,194.80 : x
  2. Step 2: Convert to fraction form
    111,025.20/166,537.80 = 98,194.80/x
  3. Step 3: Cross multiply
    111,025.20x = 166,537.80 × 98,194.80
  4. Step 4: Simplify right side
    111,025.20x = 16,353,145,963.44
  5. Step 5: Solve for x
    x = 16,353,145,963.44/111,025.20
  6. Step 6: Final answer
    x = 147,292.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.