Finding the Fourth Proportional to 167,623.20, 251,434.14 and 67,782.19
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Solution
The fourth proportional to 167,623.20, 251,434.14 and 67,782.19 is: 101,673.02
Step by Step Solution
- Step 1: Write the proportion equation
167,623.20 : 251,434.14 = 67,782.19 : x - Step 2: Convert to fraction form
167,623.20/251,434.14 = 67,782.19/x - Step 3: Cross multiply
167,623.20x = 251,434.14 × 67,782.19 - Step 4: Simplify right side
167,623.20x = 17,042,756,649.97 - Step 5: Solve for x
x = 17,042,756,649.97/167,623.20 - Step 6: Final answer
x = 101,673.02
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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.