Finding the Fourth Proportional to 167,962.75, 251,948.99 and 43,303.75
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Solution
The fourth proportional to 167,962.75, 251,948.99 and 43,303.75 is: 64,956.88
Step by Step Solution
- Step 1: Write the proportion equation
167,962.75 : 251,948.99 = 43,303.75 : x - Step 2: Convert to fraction form
167,962.75/251,948.99 = 43,303.75/x - Step 3: Cross multiply
167,962.75x = 251,948.99 × 43,303.75 - Step 4: Simplify right side
167,962.75x = 10,910,336,075.71 - Step 5: Solve for x
x = 10,910,336,075.71/167,962.75 - Step 6: Final answer
x = 64,956.88
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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.