Finding the Fourth Proportional to 186,437.41, 257,276.37 and 113,961.66
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Solution
The fourth proportional to 186,437.41, 257,276.37 and 113,961.66 is: 157,262.66
Step by Step Solution
- Step 1: Write the proportion equation
186,437.41 : 257,276.37 = 113,961.66 : x - Step 2: Convert to fraction form
186,437.41/257,276.37 = 113,961.66/x - Step 3: Cross multiply
186,437.41x = 257,276.37 × 113,961.66 - Step 4: Simplify right side
186,437.41x = 29,319,642,203.97 - Step 5: Solve for x
x = 29,319,642,203.97/186,437.41 - Step 6: Final answer
x = 157,262.66
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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.