Home / 110,768.40-166,152.60-110,112.30

Finding the Fourth Proportional to 110,768.40, 166,152.60 and 110,112.30

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Solution

The fourth proportional to 110,768.40, 166,152.60 and 110,112.30 is: 165,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,768.40 : 166,152.60 = 110,112.30 : x
  2. Step 2: Convert to fraction form
    110,768.40/166,152.60 = 110,112.30/x
  3. Step 3: Cross multiply
    110,768.40x = 166,152.60 × 110,112.30
  4. Step 4: Simplify right side
    110,768.40x = 18,295,444,936.98
  5. Step 5: Solve for x
    x = 18,295,444,936.98/110,768.40
  6. Step 6: Final answer
    x = 165,168.45

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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.