Finding the Fourth Proportional to 186,845.64, 257,852.46 and 101,968.14
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Solution
The fourth proportional to 186,845.64, 257,852.46 and 101,968.14 is: 140,719.02
Step by Step Solution
- Step 1: Write the proportion equation
186,845.64 : 257,852.46 = 101,968.14 : x - Step 2: Convert to fraction form
186,845.64/257,852.46 = 101,968.14/x - Step 3: Cross multiply
186,845.64x = 257,852.46 × 101,968.14 - Step 4: Simplify right side
186,845.64x = 26,292,735,740.62 - Step 5: Solve for x
x = 26,292,735,740.62/186,845.64 - Step 6: Final answer
x = 140,719.02
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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.