Finding the Fourth Proportional to 292,273.13, 403,338.14 and 158,137.13
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Solution
The fourth proportional to 292,273.13, 403,338.14 and 158,137.13 is: 218,229.89
Step by Step Solution
- Step 1: Write the proportion equation
292,273.13 : 403,338.14 = 158,137.13 : x - Step 2: Convert to fraction form
292,273.13/403,338.14 = 158,137.13/x - Step 3: Cross multiply
292,273.13x = 403,338.14 × 158,137.13 - Step 4: Simplify right side
292,273.13x = 63,782,733,071.76 - Step 5: Solve for x
x = 63,782,733,071.76/292,273.13 - Step 6: Final answer
x = 218,229.89
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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.