Finding the Fourth Proportional to 186,197.13, 256,970.97 and 109,739.88
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Solution
The fourth proportional to 186,197.13, 256,970.97 and 109,739.88 is: 151,452.19
Step by Step Solution
- Step 1: Write the proportion equation
186,197.13 : 256,970.97 = 109,739.88 : x - Step 2: Convert to fraction form
186,197.13/256,970.97 = 109,739.88/x - Step 3: Cross multiply
186,197.13x = 256,970.97 × 109,739.88 - Step 4: Simplify right side
186,197.13x = 28,199,963,411.28 - Step 5: Solve for x
x = 28,199,963,411.28/186,197.13 - Step 6: Final answer
x = 151,452.19
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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.