Finding the Fourth Proportional to 214,497.66, 296,014.68 and 129,598.32
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Solution
The fourth proportional to 214,497.66, 296,014.68 and 129,598.32 is: 178,850.46
Step by Step Solution
- Step 1: Write the proportion equation
214,497.66 : 296,014.68 = 129,598.32 : x - Step 2: Convert to fraction form
214,497.66/296,014.68 = 129,598.32/x - Step 3: Cross multiply
214,497.66x = 296,014.68 × 129,598.32 - Step 4: Simplify right side
214,497.66x = 38,363,005,223.34 - Step 5: Solve for x
x = 38,363,005,223.34/214,497.66 - Step 6: Final answer
x = 178,850.46
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Double scale
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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.