Home / 219,574.50-329,107.60-100,996.98

Finding the Fourth Proportional to 219,574.50, 329,107.60 and 100,996.98

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Solution

The fourth proportional to 219,574.50, 329,107.60 and 100,996.98 is: 151,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,574.50 : 329,107.60 = 100,996.98 : x
  2. Step 2: Convert to fraction form
    219,574.50/329,107.60 = 100,996.98/x
  3. Step 3: Cross multiply
    219,574.50x = 329,107.60 × 100,996.98
  4. Step 4: Simplify right side
    219,574.50x = 33,238,873,695.05
  5. Step 5: Solve for x
    x = 33,238,873,695.05/219,574.50
  6. Step 6: Final answer
    x = 151,378.57

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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.