Finding the Fourth Proportional to 184,449.80, 276,674.70 and 128,462.60
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Solution
The fourth proportional to 184,449.80, 276,674.70 and 128,462.60 is: 192,693.90
Step by Step Solution
- Step 1: Write the proportion equation
184,449.80 : 276,674.70 = 128,462.60 : x - Step 2: Convert to fraction form
184,449.80/276,674.70 = 128,462.60/x - Step 3: Cross multiply
184,449.80x = 276,674.70 × 128,462.60 - Step 4: Simplify right side
184,449.80x = 35,542,351,316.22 - Step 5: Solve for x
x = 35,542,351,316.22/184,449.80 - Step 6: Final answer
x = 192,693.90
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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.