Finding the Fourth Proportional to 292,043.56, 438,112.62 and 114,454.28
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Solution
The fourth proportional to 292,043.56, 438,112.62 and 114,454.28 is: 171,699.95
Step by Step Solution
- Step 1: Write the proportion equation
292,043.56 : 438,112.62 = 114,454.28 : x - Step 2: Convert to fraction form
292,043.56/438,112.62 = 114,454.28/x - Step 3: Cross multiply
292,043.56x = 438,112.62 × 114,454.28 - Step 4: Simplify right side
292,043.56x = 50,143,864,481.01 - Step 5: Solve for x
x = 50,143,864,481.01/292,043.56 - Step 6: Final answer
x = 171,699.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.