Finding the Fourth Proportional to 133,535.44, 184,276.20 and 76,943.44
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Solution
The fourth proportional to 133,535.44, 184,276.20 and 76,943.44 is: 106,180.39
Step by Step Solution
- Step 1: Write the proportion equation
133,535.44 : 184,276.20 = 76,943.44 : x - Step 2: Convert to fraction form
133,535.44/184,276.20 = 76,943.44/x - Step 3: Cross multiply
133,535.44x = 184,276.20 × 76,943.44 - Step 4: Simplify right side
133,535.44x = 14,178,844,738.13 - Step 5: Solve for x
x = 14,178,844,738.13/133,535.44 - Step 6: Final answer
x = 106,180.39
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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.