Finding the Fourth Proportional to 258,534.28, 356,660.68 and 151,056
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Solution
The fourth proportional to 258,534.28, 356,660.68 and 151,056 is: 208,389.14
Step by Step Solution
- Step 1: Write the proportion equation
258,534.28 : 356,660.68 = 151,056 : x - Step 2: Convert to fraction form
258,534.28/356,660.68 = 151,056/x - Step 3: Cross multiply
258,534.28x = 356,660.68 × 151,056 - Step 4: Simplify right side
258,534.28x = 53,875,735,678.08 - Step 5: Solve for x
x = 53,875,735,678.08/258,534.28 - Step 6: Final answer
x = 208,389.14
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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.