Finding the Fourth Proportional to 201,326.08, 302,021.88 and 74,966.80
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Solution
The fourth proportional to 201,326.08, 302,021.88 and 74,966.80 is: 112,462.40
Step by Step Solution
- Step 1: Write the proportion equation
201,326.08 : 302,021.88 = 74,966.80 : x - Step 2: Convert to fraction form
201,326.08/302,021.88 = 74,966.80/x - Step 3: Cross multiply
201,326.08x = 302,021.88 × 74,966.80 - Step 4: Simplify right side
201,326.08x = 22,641,613,873.58 - Step 5: Solve for x
x = 22,641,613,873.58/201,326.08 - Step 6: Final answer
x = 112,462.40
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1.5x scale
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.