Home / 118,973.26-164,212.95-80,797.42

Finding the Fourth Proportional to 118,973.26, 164,212.95 and 80,797.42

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Solution

The fourth proportional to 118,973.26, 164,212.95 and 80,797.42 is: 111,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,973.26 : 164,212.95 = 80,797.42 : x
  2. Step 2: Convert to fraction form
    118,973.26/164,212.95 = 80,797.42/x
  3. Step 3: Cross multiply
    118,973.26x = 164,212.95 × 80,797.42
  4. Step 4: Simplify right side
    118,973.26x = 13,267,982,690.59
  5. Step 5: Solve for x
    x = 13,267,982,690.59/118,973.26
  6. Step 6: Final answer
    x = 111,520.71

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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.