Home / 219,544.21-329,426.88-86,519.94

Finding the Fourth Proportional to 219,544.21, 329,426.88 and 86,519.94

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Solution

The fourth proportional to 219,544.21, 329,426.88 and 86,519.94 is: 129,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,544.21 : 329,426.88 = 86,519.94 : x
  2. Step 2: Convert to fraction form
    219,544.21/329,426.88 = 86,519.94/x
  3. Step 3: Cross multiply
    219,544.21x = 329,426.88 × 86,519.94
  4. Step 4: Simplify right side
    219,544.21x = 28,501,993,891.99
  5. Step 5: Solve for x
    x = 28,501,993,891.99/219,544.21
  6. Step 6: Final answer
    x = 129,823.48

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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.