Finding the Fourth Proportional to 149,349.60, 223,932.42 and 73,351.44
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Solution
The fourth proportional to 149,349.60, 223,932.42 and 73,351.44 is: 109,981.99
Step by Step Solution
- Step 1: Write the proportion equation
149,349.60 : 223,932.42 = 73,351.44 : x - Step 2: Convert to fraction form
149,349.60/223,932.42 = 73,351.44/x - Step 3: Cross multiply
149,349.60x = 223,932.42 × 73,351.44 - Step 4: Simplify right side
149,349.60x = 16,425,765,469.68 - Step 5: Solve for x
x = 16,425,765,469.68/149,349.60 - Step 6: Final answer
x = 109,981.99
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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.