Finding the Fourth Proportional to 251,520.11, 347,147.06 and 144,162.10
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Solution
The fourth proportional to 251,520.11, 347,147.06 and 144,162.10 is: 198,971.96
Step by Step Solution
- Step 1: Write the proportion equation
251,520.11 : 347,147.06 = 144,162.10 : x - Step 2: Convert to fraction form
251,520.11/347,147.06 = 144,162.10/x - Step 3: Cross multiply
251,520.11x = 347,147.06 × 144,162.10 - Step 4: Simplify right side
251,520.11x = 50,045,449,178.43 - Step 5: Solve for x
x = 50,045,449,178.43/251,520.11 - Step 6: Final answer
x = 198,971.96
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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.