Home / 225,550.36-311,211.05-133,698.60

Finding the Fourth Proportional to 225,550.36, 311,211.05 and 133,698.60

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Solution

The fourth proportional to 225,550.36, 311,211.05 and 133,698.60 is: 184,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,550.36 : 311,211.05 = 133,698.60 : x
  2. Step 2: Convert to fraction form
    225,550.36/311,211.05 = 133,698.60/x
  3. Step 3: Cross multiply
    225,550.36x = 311,211.05 × 133,698.60
  4. Step 4: Simplify right side
    225,550.36x = 41,608,481,021.04
  5. Step 5: Solve for x
    x = 41,608,481,021.04/225,550.36
  6. Step 6: Final answer
    x = 184,475.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.