Home / 101,150.85-151,890.30-73,266.60

Finding the Fourth Proportional to 101,150.85, 151,890.30 and 73,266.60

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Solution

The fourth proportional to 101,150.85, 151,890.30 and 73,266.60 is: 110,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,150.85 : 151,890.30 = 73,266.60 : x
  2. Step 2: Convert to fraction form
    101,150.85/151,890.30 = 73,266.60/x
  3. Step 3: Cross multiply
    101,150.85x = 151,890.30 × 73,266.60
  4. Step 4: Simplify right side
    101,150.85x = 11,128,485,853.98
  5. Step 5: Solve for x
    x = 11,128,485,853.98/101,150.85
  6. Step 6: Final answer
    x = 110,018.71

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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.