Finding the Fourth Proportional to 167,334.05, 230,919.62 and 90,851.63
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Solution
The fourth proportional to 167,334.05, 230,919.62 and 90,851.63 is: 125,374.50
Step by Step Solution
- Step 1: Write the proportion equation
167,334.05 : 230,919.62 = 90,851.63 : x - Step 2: Convert to fraction form
167,334.05/230,919.62 = 90,851.63/x - Step 3: Cross multiply
167,334.05x = 230,919.62 × 90,851.63 - Step 4: Simplify right side
167,334.05x = 20,979,422,267.12 - Step 5: Solve for x
x = 20,979,422,267.12/167,334.05 - Step 6: Final answer
x = 125,374.50
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1.5x scale
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.