Finding the Fourth Proportional to 265,682.68, 398,247.23 and 115,882.75
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Solution
The fourth proportional to 265,682.68, 398,247.23 and 115,882.75 is: 173,703.40
Step by Step Solution
- Step 1: Write the proportion equation
265,682.68 : 398,247.23 = 115,882.75 : x - Step 2: Convert to fraction form
265,682.68/398,247.23 = 115,882.75/x - Step 3: Cross multiply
265,682.68x = 398,247.23 × 115,882.75 - Step 4: Simplify right side
265,682.68x = 46,149,984,979.80 - Step 5: Solve for x
x = 46,149,984,979.80/265,682.68 - Step 6: Final answer
x = 173,703.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.