Home / 118,976.10-164,200.74-71,229.42

Finding the Fourth Proportional to 118,976.10, 164,200.74 and 71,229.42

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Solution

The fourth proportional to 118,976.10, 164,200.74 and 71,229.42 is: 98,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,976.10 : 164,200.74 = 71,229.42 : x
  2. Step 2: Convert to fraction form
    118,976.10/164,200.74 = 71,229.42/x
  3. Step 3: Cross multiply
    118,976.10x = 164,200.74 × 71,229.42
  4. Step 4: Simplify right side
    118,976.10x = 11,695,923,473.77
  5. Step 5: Solve for x
    x = 11,695,923,473.77/118,976.10
  6. Step 6: Final answer
    x = 98,304.81

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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.