Finding the Fourth Proportional to 194,356.19, 268,119.90 and 113,734.26
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Solution
The fourth proportional to 194,356.19, 268,119.90 and 113,734.26 is: 156,899.66
Step by Step Solution
- Step 1: Write the proportion equation
194,356.19 : 268,119.90 = 113,734.26 : x - Step 2: Convert to fraction form
194,356.19/268,119.90 = 113,734.26/x - Step 3: Cross multiply
194,356.19x = 268,119.90 × 113,734.26 - Step 4: Simplify right side
194,356.19x = 30,494,418,417.77 - Step 5: Solve for x
x = 30,494,418,417.77/194,356.19 - Step 6: Final answer
x = 156,899.66
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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.