Finding the Fourth Proportional to 186,743.36, 257,709.44 and 101,863.52
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Solution
The fourth proportional to 186,743.36, 257,709.44 and 101,863.52 is: 140,573.62
Step by Step Solution
- Step 1: Write the proportion equation
186,743.36 : 257,709.44 = 101,863.52 : x - Step 2: Convert to fraction form
186,743.36/257,709.44 = 101,863.52/x - Step 3: Cross multiply
186,743.36x = 257,709.44 × 101,863.52 - Step 4: Simplify right side
186,743.36x = 26,251,190,695.63 - Step 5: Solve for x
x = 26,251,190,695.63/186,743.36 - Step 6: Final answer
x = 140,573.62
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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.