Finding the Fourth Proportional to 167,876.08, 231,682.08 and 92,438.08
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Solution
The fourth proportional to 167,876.08, 231,682.08 and 92,438.08 is: 127,571.76
Step by Step Solution
- Step 1: Write the proportion equation
167,876.08 : 231,682.08 = 92,438.08 : x - Step 2: Convert to fraction form
167,876.08/231,682.08 = 92,438.08/x - Step 3: Cross multiply
167,876.08x = 231,682.08 × 92,438.08 - Step 4: Simplify right side
167,876.08x = 21,416,246,645.61 - Step 5: Solve for x
x = 21,416,246,645.61/167,876.08 - Step 6: Final answer
x = 127,571.76
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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.