Finding the Fourth Proportional to 186,703.84, 257,657.52 and 101,825.68
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Solution
The fourth proportional to 186,703.84, 257,657.52 and 101,825.68 is: 140,522.83
Step by Step Solution
- Step 1: Write the proportion equation
186,703.84 : 257,657.52 = 101,825.68 : x - Step 2: Convert to fraction form
186,703.84/257,657.52 = 101,825.68/x - Step 3: Cross multiply
186,703.84x = 257,657.52 × 101,825.68 - Step 4: Simplify right side
186,703.84x = 26,236,152,181.11 - Step 5: Solve for x
x = 26,236,152,181.11/186,703.84 - Step 6: Final answer
x = 140,522.83
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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.