Finding the Fourth Proportional to 204,295.19, 281,812.14 and 122,602.55
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Solution
The fourth proportional to 204,295.19, 281,812.14 and 122,602.55 is: 169,122.37
Step by Step Solution
- Step 1: Write the proportion equation
204,295.19 : 281,812.14 = 122,602.55 : x - Step 2: Convert to fraction form
204,295.19/281,812.14 = 122,602.55/x - Step 3: Cross multiply
204,295.19x = 281,812.14 × 122,602.55 - Step 4: Simplify right side
204,295.19x = 34,550,885,575.90 - Step 5: Solve for x
x = 34,550,885,575.90/204,295.19 - Step 6: Final answer
x = 169,122.37
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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.