Finding the Fourth Proportional to 225,420.74, 338,268.52 and 117,361.08
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Solution
The fourth proportional to 225,420.74, 338,268.52 and 117,361.08 is: 176,113.16
Step by Step Solution
- Step 1: Write the proportion equation
225,420.74 : 338,268.52 = 117,361.08 : x - Step 2: Convert to fraction form
225,420.74/338,268.52 = 117,361.08/x - Step 3: Cross multiply
225,420.74x = 338,268.52 × 117,361.08 - Step 4: Simplify right side
225,420.74x = 39,699,558,837.20 - Step 5: Solve for x
x = 39,699,558,837.20/225,420.74 - Step 6: Final answer
x = 176,113.16
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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.