Finding the Fourth Proportional to 133,716.80, 186,853.60 and 133,716.80
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Solution
The fourth proportional to 133,716.80, 186,853.60 and 133,716.80 is: 186,853.60
Step by Step Solution
- Step 1: Write the proportion equation
133,716.80 : 186,853.60 = 133,716.80 : x - Step 2: Convert to fraction form
133,716.80/186,853.60 = 133,716.80/x - Step 3: Cross multiply
133,716.80x = 186,853.60 × 133,716.80 - Step 4: Simplify right side
133,716.80x = 24,985,465,460.48 - Step 5: Solve for x
x = 24,985,465,460.48/133,716.80 - Step 6: Final answer
x = 186,853.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.