Finding the Fourth Proportional to 186,930.27, 257,959.76 and 102,048.75
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Solution
The fourth proportional to 186,930.27, 257,959.76 and 102,048.75 is: 140,825.08
Step by Step Solution
- Step 1: Write the proportion equation
186,930.27 : 257,959.76 = 102,048.75 : x - Step 2: Convert to fraction form
186,930.27/257,959.76 = 102,048.75/x - Step 3: Cross multiply
186,930.27x = 257,959.76 × 102,048.75 - Step 4: Simplify right side
186,930.27x = 26,324,470,548.06 - Step 5: Solve for x
x = 26,324,470,548.06/186,930.27 - Step 6: Final answer
x = 140,825.08
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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.