Finding the Fourth Proportional to 133,804.41, 184,879.58 and 129,014.88
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Solution
The fourth proportional to 133,804.41, 184,879.58 and 129,014.88 is: 178,261.81
Step by Step Solution
- Step 1: Write the proportion equation
133,804.41 : 184,879.58 = 129,014.88 : x - Step 2: Convert to fraction form
133,804.41/184,879.58 = 129,014.88/x - Step 3: Cross multiply
133,804.41x = 184,879.58 × 129,014.88 - Step 4: Simplify right side
133,804.41x = 23,852,216,183.08 - Step 5: Solve for x
x = 23,852,216,183.08/133,804.41 - Step 6: Final answer
x = 178,261.81
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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.