Finding the Fourth Proportional to 316,574.92, 436,873.26 and 173,334.88
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Solution
The fourth proportional to 316,574.92, 436,873.26 and 173,334.88 is: 239,202.06
Step by Step Solution
- Step 1: Write the proportion equation
316,574.92 : 436,873.26 = 173,334.88 : x - Step 2: Convert to fraction form
316,574.92/436,873.26 = 173,334.88/x - Step 3: Cross multiply
316,574.92x = 436,873.26 × 173,334.88 - Step 4: Simplify right side
316,574.92x = 75,725,374,097.31 - Step 5: Solve for x
x = 75,725,374,097.31/316,574.92 - Step 6: Final answer
x = 239,202.06
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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.