Finding the Fourth Proportional to 127,867.08, 176,466.18 and 74,151.63
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Solution
The fourth proportional to 127,867.08, 176,466.18 and 74,151.63 is: 102,334.82
Step by Step Solution
- Step 1: Write the proportion equation
127,867.08 : 176,466.18 = 74,151.63 : x - Step 2: Convert to fraction form
127,867.08/176,466.18 = 74,151.63/x - Step 3: Cross multiply
127,867.08x = 176,466.18 × 74,151.63 - Step 4: Simplify right side
127,867.08x = 13,085,254,886.87 - Step 5: Solve for x
x = 13,085,254,886.87/127,867.08 - Step 6: Final answer
x = 102,334.82
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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.