Home / 111,935.60-167,903.40-110,769.20

Finding the Fourth Proportional to 111,935.60, 167,903.40 and 110,769.20

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Solution

The fourth proportional to 111,935.60, 167,903.40 and 110,769.20 is: 166,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,935.60 : 167,903.40 = 110,769.20 : x
  2. Step 2: Convert to fraction form
    111,935.60/167,903.40 = 110,769.20/x
  3. Step 3: Cross multiply
    111,935.60x = 167,903.40 × 110,769.20
  4. Step 4: Simplify right side
    111,935.60x = 18,598,525,295.28
  5. Step 5: Solve for x
    x = 18,598,525,295.28/111,935.60
  6. Step 6: Final answer
    x = 166,153.80

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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.