Home / 111,160.57-166,740.31-26,920.73

Finding the Fourth Proportional to 111,160.57, 166,740.31 and 26,920.73

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Solution

The fourth proportional to 111,160.57, 166,740.31 and 26,920.73 is: 40,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,160.57 : 166,740.31 = 26,920.73 : x
  2. Step 2: Convert to fraction form
    111,160.57/166,740.31 = 26,920.73/x
  3. Step 3: Cross multiply
    111,160.57x = 166,740.31 × 26,920.73
  4. Step 4: Simplify right side
    111,160.57x = 4,488,771,091.73
  5. Step 5: Solve for x
    x = 4,488,771,091.73/111,160.57
  6. Step 6: Final answer
    x = 40,380.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.