Finding the Fourth Proportional to 173,261.75, 239,103.20 and 101,642.99
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Solution
The fourth proportional to 173,261.75, 239,103.20 and 101,642.99 is: 140,268.49
Step by Step Solution
- Step 1: Write the proportion equation
173,261.75 : 239,103.20 = 101,642.99 : x - Step 2: Convert to fraction form
173,261.75/239,103.20 = 101,642.99/x - Step 3: Cross multiply
173,261.75x = 239,103.20 × 101,642.99 - Step 4: Simplify right side
173,261.75x = 24,303,163,225.16 - Step 5: Solve for x
x = 24,303,163,225.16/173,261.75 - Step 6: Final answer
x = 140,268.49
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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.