Finding the Fourth Proportional to 133,455.44, 184,170.84 and 73,031.44
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Solution
The fourth proportional to 133,455.44, 184,170.84 and 73,031.44 is: 100,784.66
Step by Step Solution
- Step 1: Write the proportion equation
133,455.44 : 184,170.84 = 73,031.44 : x - Step 2: Convert to fraction form
133,455.44/184,170.84 = 73,031.44/x - Step 3: Cross multiply
133,455.44x = 184,170.84 × 73,031.44 - Step 4: Simplify right side
133,455.44x = 13,450,261,651.21 - Step 5: Solve for x
x = 13,450,261,651.21/133,455.44 - Step 6: Final answer
x = 100,784.66
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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.