Finding the Fourth Proportional to 186,825.18, 257,816.61 and 101,943.66
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Solution
The fourth proportional to 186,825.18, 257,816.61 and 101,943.66 is: 140,681.08
Step by Step Solution
- Step 1: Write the proportion equation
186,825.18 : 257,816.61 = 101,943.66 : x - Step 2: Convert to fraction form
186,825.18/257,816.61 = 101,943.66/x - Step 3: Cross multiply
186,825.18x = 257,816.61 × 101,943.66 - Step 4: Simplify right side
186,825.18x = 26,282,768,832.19 - Step 5: Solve for x
x = 26,282,768,832.19/186,825.18 - Step 6: Final answer
x = 140,681.08
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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.