Finding the Fourth Proportional to 184,439.40, 276,659.10 and 121,453.80
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Solution
The fourth proportional to 184,439.40, 276,659.10 and 121,453.80 is: 182,180.70
Step by Step Solution
- Step 1: Write the proportion equation
184,439.40 : 276,659.10 = 121,453.80 : x - Step 2: Convert to fraction form
184,439.40/276,659.10 = 121,453.80/x - Step 3: Cross multiply
184,439.40x = 276,659.10 × 121,453.80 - Step 4: Simplify right side
184,439.40x = 33,601,298,999.58 - Step 5: Solve for x
x = 33,601,298,999.58/184,439.40 - Step 6: Final answer
x = 182,180.70
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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.