Home / 219,246.20-327,919.10-129,074.03

Finding the Fourth Proportional to 219,246.20, 327,919.10 and 129,074.03

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Solution

The fourth proportional to 219,246.20, 327,919.10 and 129,074.03 is: 193,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,246.20 : 327,919.10 = 129,074.03 : x
  2. Step 2: Convert to fraction form
    219,246.20/327,919.10 = 129,074.03/x
  3. Step 3: Cross multiply
    219,246.20x = 327,919.10 × 129,074.03
  4. Step 4: Simplify right side
    219,246.20x = 42,325,837,466.01
  5. Step 5: Solve for x
    x = 42,325,837,466.01/219,246.20
  6. Step 6: Final answer
    x = 193,051.64

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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.