Finding the Fourth Proportional to 114,307.16, 157,743.86 and 63,323.19
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Solution
The fourth proportional to 114,307.16, 157,743.86 and 63,323.19 is: 87,385.99
Step by Step Solution
- Step 1: Write the proportion equation
114,307.16 : 157,743.86 = 63,323.19 : x - Step 2: Convert to fraction form
114,307.16/157,743.86 = 63,323.19/x - Step 3: Cross multiply
114,307.16x = 157,743.86 × 63,323.19 - Step 4: Simplify right side
114,307.16x = 9,988,844,101.50 - Step 5: Solve for x
x = 9,988,844,101.50/114,307.16 - Step 6: Final answer
x = 87,385.99
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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.