Finding the Fourth Proportional to 203,846.17, 281,316.20 and 113,202.88
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Solution
The fourth proportional to 203,846.17, 281,316.20 and 113,202.88 is: 156,224.69
Step by Step Solution
- Step 1: Write the proportion equation
203,846.17 : 281,316.20 = 113,202.88 : x - Step 2: Convert to fraction form
203,846.17/281,316.20 = 113,202.88/x - Step 3: Cross multiply
203,846.17x = 281,316.20 × 113,202.88 - Step 4: Simplify right side
203,846.17x = 31,845,803,952.91 - Step 5: Solve for x
x = 31,845,803,952.91/203,846.17 - Step 6: Final answer
x = 156,224.69
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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.