Home / 118,219.62-163,149.33-67,921.86

Finding the Fourth Proportional to 118,219.62, 163,149.33 and 67,921.86

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Solution

The fourth proportional to 118,219.62, 163,149.33 and 67,921.86 is: 93,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,219.62 : 163,149.33 = 67,921.86 : x
  2. Step 2: Convert to fraction form
    118,219.62/163,149.33 = 67,921.86/x
  3. Step 3: Cross multiply
    118,219.62x = 163,149.33 × 67,921.86
  4. Step 4: Simplify right side
    118,219.62x = 11,081,405,951.35
  5. Step 5: Solve for x
    x = 11,081,405,951.35/118,219.62
  6. Step 6: Final answer
    x = 93,735.76

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1.5x scale

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.