Finding the Fourth Proportional to 194,353.68, 268,116.44 and 113,731.76
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Solution
The fourth proportional to 194,353.68, 268,116.44 and 113,731.76 is: 156,896.20
Step by Step Solution
- Step 1: Write the proportion equation
194,353.68 : 268,116.44 = 113,731.76 : x - Step 2: Convert to fraction form
194,353.68/268,116.44 = 113,731.76/x - Step 3: Cross multiply
194,353.68x = 268,116.44 × 113,731.76 - Step 4: Simplify right side
194,353.68x = 30,493,354,606.13 - Step 5: Solve for x
x = 30,493,354,606.13/194,353.68 - Step 6: Final answer
x = 156,896.20
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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.