Finding the Fourth Proportional to 186,102.08, 256,823.04 and 101,221.12
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Solution
The fourth proportional to 186,102.08, 256,823.04 and 101,221.12 is: 139,686.33
Step by Step Solution
- Step 1: Write the proportion equation
186,102.08 : 256,823.04 = 101,221.12 : x - Step 2: Convert to fraction form
186,102.08/256,823.04 = 101,221.12/x - Step 3: Cross multiply
186,102.08x = 256,823.04 × 101,221.12 - Step 4: Simplify right side
186,102.08x = 25,995,915,750.60 - Step 5: Solve for x
x = 25,995,915,750.60/186,102.08 - Step 6: Final answer
x = 139,686.33
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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.