Home / 219,410.75-329,116.17-53,198.75

Finding the Fourth Proportional to 219,410.75, 329,116.17 and 53,198.75

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Solution

The fourth proportional to 219,410.75, 329,116.17 and 53,198.75 is: 79,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,410.75 : 329,116.17 = 53,198.75 : x
  2. Step 2: Convert to fraction form
    219,410.75/329,116.17 = 53,198.75/x
  3. Step 3: Cross multiply
    219,410.75x = 329,116.17 × 53,198.75
  4. Step 4: Simplify right side
    219,410.75x = 17,508,568,848.79
  5. Step 5: Solve for x
    x = 17,508,568,848.79/219,410.75
  6. Step 6: Final answer
    x = 79,798.14

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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.