Finding the Fourth Proportional to 242,319.13, 334,403.58 and 133,436.23
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Solution
The fourth proportional to 242,319.13, 334,403.58 and 133,436.23 is: 184,143.75
Step by Step Solution
- Step 1: Write the proportion equation
242,319.13 : 334,403.58 = 133,436.23 : x - Step 2: Convert to fraction form
242,319.13/334,403.58 = 133,436.23/x - Step 3: Cross multiply
242,319.13x = 334,403.58 × 133,436.23 - Step 4: Simplify right side
242,319.13x = 44,621,553,013.70 - Step 5: Solve for x
x = 44,621,553,013.70/242,319.13 - Step 6: Final answer
x = 184,143.75
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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.