Finding the Fourth Proportional to 163,869.51, 226,134.66 and 92,239.80
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Solution
The fourth proportional to 163,869.51, 226,134.66 and 92,239.80 is: 127,287.96
Step by Step Solution
- Step 1: Write the proportion equation
163,869.51 : 226,134.66 = 92,239.80 : x - Step 2: Convert to fraction form
163,869.51/226,134.66 = 92,239.80/x - Step 3: Cross multiply
163,869.51x = 226,134.66 × 92,239.80 - Step 4: Simplify right side
163,869.51x = 20,858,615,811.47 - Step 5: Solve for x
x = 20,858,615,811.47/163,869.51 - Step 6: Final answer
x = 127,287.96
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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.