Finding the Fourth Proportional to 235,406.79, 324,867.74 and 127,984.19
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Solution
The fourth proportional to 235,406.79, 324,867.74 and 127,984.19 is: 176,621.64
Step by Step Solution
- Step 1: Write the proportion equation
235,406.79 : 324,867.74 = 127,984.19 : x - Step 2: Convert to fraction form
235,406.79/324,867.74 = 127,984.19/x - Step 3: Cross multiply
235,406.79x = 324,867.74 × 127,984.19 - Step 4: Simplify right side
235,406.79x = 41,577,932,296.77 - Step 5: Solve for x
x = 41,577,932,296.77/235,406.79 - Step 6: Final answer
x = 176,621.64
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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.