Home / 196,835.20-295,291.20-84,515.20

Finding the Fourth Proportional to 196,835.20, 295,291.20 and 84,515.20

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Solution

The fourth proportional to 196,835.20, 295,291.20 and 84,515.20 is: 126,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,835.20 : 295,291.20 = 84,515.20 : x
  2. Step 2: Convert to fraction form
    196,835.20/295,291.20 = 84,515.20/x
  3. Step 3: Cross multiply
    196,835.20x = 295,291.20 × 84,515.20
  4. Step 4: Simplify right side
    196,835.20x = 24,956,594,826.24
  5. Step 5: Solve for x
    x = 24,956,594,826.24/196,835.20
  6. Step 6: Final answer
    x = 126,789.29

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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.