Finding the Fourth Proportional to 133,660.58, 184,434.10 and 79,925.99
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Solution
The fourth proportional to 133,660.58, 184,434.10 and 79,925.99 is: 110,287.40
Step by Step Solution
- Step 1: Write the proportion equation
133,660.58 : 184,434.10 = 79,925.99 : x - Step 2: Convert to fraction form
133,660.58/184,434.10 = 79,925.99/x - Step 3: Cross multiply
133,660.58x = 184,434.10 × 79,925.99 - Step 4: Simplify right side
133,660.58x = 14,741,076,910.27 - Step 5: Solve for x
x = 14,741,076,910.27/133,660.58 - Step 6: Final answer
x = 110,287.40
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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.