Finding the Fourth Proportional to 186,649.13, 257,576.06 and 101,766.19
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Solution
The fourth proportional to 186,649.13, 257,576.06 and 101,766.19 is: 140,437.48
Step by Step Solution
- Step 1: Write the proportion equation
186,649.13 : 257,576.06 = 101,766.19 : x - Step 2: Convert to fraction form
186,649.13/257,576.06 = 101,766.19/x - Step 3: Cross multiply
186,649.13x = 257,576.06 × 101,766.19 - Step 4: Simplify right side
186,649.13x = 26,212,534,261.41 - Step 5: Solve for x
x = 26,212,534,261.41/186,649.13 - Step 6: Final answer
x = 140,437.48
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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.