Finding the Fourth Proportional to 186,533.26, 257,415.51 and 101,650.12
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Solution
The fourth proportional to 186,533.26, 257,415.51 and 101,650.12 is: 140,276.95
Step by Step Solution
- Step 1: Write the proportion equation
186,533.26 : 257,415.51 = 101,650.12 : x - Step 2: Convert to fraction form
186,533.26/257,415.51 = 101,650.12/x - Step 3: Cross multiply
186,533.26x = 257,415.51 × 101,650.12 - Step 4: Simplify right side
186,533.26x = 26,166,317,481.36 - Step 5: Solve for x
x = 26,166,317,481.36/186,533.26 - Step 6: Final answer
x = 140,276.95
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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.