Home / 111,905.60-167,858.40-110,739.20

Finding the Fourth Proportional to 111,905.60, 167,858.40 and 110,739.20

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Solution

The fourth proportional to 111,905.60, 167,858.40 and 110,739.20 is: 166,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905.60 : 167,858.40 = 110,739.20 : x
  2. Step 2: Convert to fraction form
    111,905.60/167,858.40 = 110,739.20/x
  3. Step 3: Cross multiply
    111,905.60x = 167,858.40 × 110,739.20
  4. Step 4: Simplify right side
    111,905.60x = 18,588,504,929.28
  5. Step 5: Solve for x
    x = 18,588,504,929.28/111,905.60
  6. Step 6: Final answer
    x = 166,108.80

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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.