Finding the Fourth Proportional to 186,570.88, 257,467.44 and 101,687.68
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Solution
The fourth proportional to 186,570.88, 257,467.44 and 101,687.68 is: 140,328.79
Step by Step Solution
- Step 1: Write the proportion equation
186,570.88 : 257,467.44 = 101,687.68 : x - Step 2: Convert to fraction form
186,570.88/257,467.44 = 101,687.68/x - Step 3: Cross multiply
186,570.88x = 257,467.44 × 101,687.68 - Step 4: Simplify right side
186,570.88x = 26,181,266,649.14 - Step 5: Solve for x
x = 26,181,266,649.14/186,570.88 - Step 6: Final answer
x = 140,328.79
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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.