Home / 133,040.00-199,454.03-76,816.35

Finding the Fourth Proportional to 133,040.00, 199,454.03 and 76,816.35

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Solution

The fourth proportional to 133,040.00, 199,454.03 and 76,816.35 is: 115,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.00 : 199,454.03 = 76,816.35 : x
  2. Step 2: Convert to fraction form
    133,040.00/199,454.03 = 76,816.35/x
  3. Step 3: Cross multiply
    133,040.00x = 199,454.03 × 76,816.35
  4. Step 4: Simplify right side
    133,040.00x = 15,321,330,481.37
  5. Step 5: Solve for x
    x = 15,321,330,481.37/133,040.00
  6. Step 6: Final answer
    x = 115,163.34

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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.