Finding the Fourth Proportional to 212,263.74, 292,920.84 and 116,764.74
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Solution
The fourth proportional to 212,263.74, 292,920.84 and 116,764.74 is: 161,133.62
Step by Step Solution
- Step 1: Write the proportion equation
212,263.74 : 292,920.84 = 116,764.74 : x - Step 2: Convert to fraction form
212,263.74/292,920.84 = 116,764.74/x - Step 3: Cross multiply
212,263.74x = 292,920.84 × 116,764.74 - Step 4: Simplify right side
212,263.74x = 34,202,825,723.18 - Step 5: Solve for x
x = 34,202,825,723.18/212,263.74 - Step 6: Final answer
x = 161,133.62
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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.