Finding the Fourth Proportional to 147,497.49, 221,246.37 and 63,202.95
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Solution
The fourth proportional to 147,497.49, 221,246.37 and 63,202.95 is: 94,804.48
Step by Step Solution
- Step 1: Write the proportion equation
147,497.49 : 221,246.37 = 63,202.95 : x - Step 2: Convert to fraction form
147,497.49/221,246.37 = 63,202.95/x - Step 3: Cross multiply
147,497.49x = 221,246.37 × 63,202.95 - Step 4: Simplify right side
147,497.49x = 13,983,423,260.79 - Step 5: Solve for x
x = 13,983,423,260.79/147,497.49 - Step 6: Final answer
x = 94,804.48
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Half scale
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Double scale
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Similar ratio
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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.