Finding the Fourth Proportional to 134,818.46, 186,053.37 and 74,392.99
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Solution
The fourth proportional to 134,818.46, 186,053.37 and 74,392.99 is: 102,664.48
Step by Step Solution
- Step 1: Write the proportion equation
134,818.46 : 186,053.37 = 74,392.99 : x - Step 2: Convert to fraction form
134,818.46/186,053.37 = 74,392.99/x - Step 3: Cross multiply
134,818.46x = 186,053.37 × 74,392.99 - Step 4: Simplify right side
134,818.46x = 13,841,066,493.88 - Step 5: Solve for x
x = 13,841,066,493.88/134,818.46 - Step 6: Final answer
x = 102,664.48
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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.