Finding the Fourth Proportional to 187,844.24, 259,232.20 and 107,272.40
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Solution
The fourth proportional to 187,844.24, 259,232.20 and 107,272.40 is: 148,039.99
Step by Step Solution
- Step 1: Write the proportion equation
187,844.24 : 259,232.20 = 107,272.40 : x - Step 2: Convert to fraction form
187,844.24/259,232.20 = 107,272.40/x - Step 3: Cross multiply
187,844.24x = 259,232.20 × 107,272.40 - Step 4: Simplify right side
187,844.24x = 27,808,460,251.28 - Step 5: Solve for x
x = 27,808,460,251.28/187,844.24 - Step 6: Final answer
x = 148,039.99
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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.