Finding the Fourth Proportional to 179,867.49, 248,219.14 and 99,295.05
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Solution
The fourth proportional to 179,867.49, 248,219.14 and 99,295.05 is: 137,028.28
Step by Step Solution
- Step 1: Write the proportion equation
179,867.49 : 248,219.14 = 99,295.05 : x - Step 2: Convert to fraction form
179,867.49/248,219.14 = 99,295.05/x - Step 3: Cross multiply
179,867.49x = 248,219.14 × 99,295.05 - Step 4: Simplify right side
179,867.49x = 24,646,931,917.26 - Step 5: Solve for x
x = 24,646,931,917.26/179,867.49 - Step 6: Final answer
x = 137,028.28
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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.