Home / 133,011.90-199,260.57-111,408.12

Finding the Fourth Proportional to 133,011.90, 199,260.57 and 111,408.12

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Solution

The fourth proportional to 133,011.90, 199,260.57 and 111,408.12 is: 166,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,011.90 : 199,260.57 = 111,408.12 : x
  2. Step 2: Convert to fraction form
    133,011.90/199,260.57 = 111,408.12/x
  3. Step 3: Cross multiply
    133,011.90x = 199,260.57 × 111,408.12
  4. Step 4: Simplify right side
    133,011.90x = 22,199,245,493.83
  5. Step 5: Solve for x
    x = 22,199,245,493.83/133,011.90
  6. Step 6: Final answer
    x = 166,896.69

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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.