Finding the Fourth Proportional to 133,777.63, 184,647.99 and 82,760.68
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Solution
The fourth proportional to 133,777.63, 184,647.99 and 82,760.68 is: 114,231.30
Step by Step Solution
- Step 1: Write the proportion equation
133,777.63 : 184,647.99 = 82,760.68 : x - Step 2: Convert to fraction form
133,777.63/184,647.99 = 82,760.68/x - Step 3: Cross multiply
133,777.63x = 184,647.99 × 82,760.68 - Step 4: Simplify right side
133,777.63x = 15,281,593,213.03 - Step 5: Solve for x
x = 15,281,593,213.03/133,777.63 - Step 6: Final answer
x = 114,231.30
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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.