Home / 118,260.45-163,203.21-67,271.85

Finding the Fourth Proportional to 118,260.45, 163,203.21 and 67,271.85

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Solution

The fourth proportional to 118,260.45, 163,203.21 and 67,271.85 is: 92,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,260.45 : 163,203.21 = 67,271.85 : x
  2. Step 2: Convert to fraction form
    118,260.45/163,203.21 = 67,271.85/x
  3. Step 3: Cross multiply
    118,260.45x = 163,203.21 × 67,271.85
  4. Step 4: Simplify right side
    118,260.45x = 10,978,981,862.64
  5. Step 5: Solve for x
    x = 10,978,981,862.64/118,260.45
  6. Step 6: Final answer
    x = 92,837.31

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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.