Home / 111,029.24-166,542.31-26,788.70

Finding the Fourth Proportional to 111,029.24, 166,542.31 and 26,788.70

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Solution

The fourth proportional to 111,029.24, 166,542.31 and 26,788.70 is: 40,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,029.24 : 166,542.31 = 26,788.70 : x
  2. Step 2: Convert to fraction form
    111,029.24/166,542.31 = 26,788.70/x
  3. Step 3: Cross multiply
    111,029.24x = 166,542.31 × 26,788.70
  4. Step 4: Simplify right side
    111,029.24x = 4,461,451,080.21
  5. Step 5: Solve for x
    x = 4,461,451,080.21/111,029.24
  6. Step 6: Final answer
    x = 40,182.67

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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.