Finding the Fourth Proportional to 186,649.81, 257,577.01 and 101,766.87
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Solution
The fourth proportional to 186,649.81, 257,577.01 and 101,766.87 is: 140,438.43
Step by Step Solution
- Step 1: Write the proportion equation
186,649.81 : 257,577.01 = 101,766.87 : x - Step 2: Convert to fraction form
186,649.81/257,577.01 = 101,766.87/x - Step 3: Cross multiply
186,649.81x = 257,577.01 × 101,766.87 - Step 4: Simplify right side
186,649.81x = 26,212,805,837.24 - Step 5: Solve for x
x = 26,212,805,837.24/186,649.81 - Step 6: Final answer
x = 140,438.43
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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.