Finding the Fourth Proportional to 212,233.98, 292,876.74 and 116,740.68
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Solution
The fourth proportional to 212,233.98, 292,876.74 and 116,740.68 is: 161,098.75
Step by Step Solution
- Step 1: Write the proportion equation
212,233.98 : 292,876.74 = 116,740.68 : x - Step 2: Convert to fraction form
212,233.98/292,876.74 = 116,740.68/x - Step 3: Cross multiply
212,233.98x = 292,876.74 × 116,740.68 - Step 4: Simplify right side
212,233.98x = 34,190,629,783.78 - Step 5: Solve for x
x = 34,190,629,783.78/212,233.98 - Step 6: Final answer
x = 161,098.75
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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.