Home / 160,720.70-221,792.78-92,736.86

Finding the Fourth Proportional to 160,720.70, 221,792.78 and 92,736.86

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Solution

The fourth proportional to 160,720.70, 221,792.78 and 92,736.86 is: 127,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,720.70 : 221,792.78 = 92,736.86 : x
  2. Step 2: Convert to fraction form
    160,720.70/221,792.78 = 92,736.86/x
  3. Step 3: Cross multiply
    160,720.70x = 221,792.78 × 92,736.86
  4. Step 4: Simplify right side
    160,720.70x = 20,568,365,110.75
  5. Step 5: Solve for x
    x = 20,568,365,110.75/160,720.70
  6. Step 6: Final answer
    x = 127,975.83

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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.