Home / 146,115.10-218,999.85-75,958.30

Finding the Fourth Proportional to 146,115.10, 218,999.85 and 75,958.30

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Solution

The fourth proportional to 146,115.10, 218,999.85 and 75,958.30 is: 113,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,115.10 : 218,999.85 = 75,958.30 : x
  2. Step 2: Convert to fraction form
    146,115.10/218,999.85 = 75,958.30/x
  3. Step 3: Cross multiply
    146,115.10x = 218,999.85 × 75,958.30
  4. Step 4: Simplify right side
    146,115.10x = 16,634,856,306.26
  5. Step 5: Solve for x
    x = 16,634,856,306.26/146,115.10
  6. Step 6: Final answer
    x = 113,847.62

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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.