Finding the Fourth Proportional to 132,686.24, 183,237.15 and 113,454.99
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Solution
The fourth proportional to 132,686.24, 183,237.15 and 113,454.99 is: 156,679.17
Step by Step Solution
- Step 1: Write the proportion equation
132,686.24 : 183,237.15 = 113,454.99 : x - Step 2: Convert to fraction form
132,686.24/183,237.15 = 113,454.99/x - Step 3: Cross multiply
132,686.24x = 183,237.15 × 113,454.99 - Step 4: Simplify right side
132,686.24x = 20,789,169,020.88 - Step 5: Solve for x
x = 20,789,169,020.88/132,686.24 - Step 6: Final answer
x = 156,679.17
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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.