Home / 208,042.78-287,096.23-116,163.49

Finding the Fourth Proportional to 208,042.78, 287,096.23 and 116,163.49

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Solution

The fourth proportional to 208,042.78, 287,096.23 and 116,163.49 is: 160,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,042.78 : 287,096.23 = 116,163.49 : x
  2. Step 2: Convert to fraction form
    208,042.78/287,096.23 = 116,163.49/x
  3. Step 3: Cross multiply
    208,042.78x = 287,096.23 × 116,163.49
  4. Step 4: Simplify right side
    208,042.78x = 33,350,100,042.64
  5. Step 5: Solve for x
    x = 33,350,100,042.64/208,042.78
  6. Step 6: Final answer
    x = 160,304.05

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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.