Home / 131,796.50-197,198.75-92,430.42

Finding the Fourth Proportional to 131,796.50, 197,198.75 and 92,430.42

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Solution

The fourth proportional to 131,796.50, 197,198.75 and 92,430.42 is: 138,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,796.50 : 197,198.75 = 92,430.42 : x
  2. Step 2: Convert to fraction form
    131,796.50/197,198.75 = 92,430.42/x
  3. Step 3: Cross multiply
    131,796.50x = 197,198.75 × 92,430.42
  4. Step 4: Simplify right side
    131,796.50x = 18,227,163,285.98
  5. Step 5: Solve for x
    x = 18,227,163,285.98/131,796.50
  6. Step 6: Final answer
    x = 138,297.78

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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.