Home / 219,342.40-328,576.20-114,220.60

Finding the Fourth Proportional to 219,342.40, 328,576.20 and 114,220.60

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Solution

The fourth proportional to 219,342.40, 328,576.20 and 114,220.60 is: 171,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,342.40 : 328,576.20 = 114,220.60 : x
  2. Step 2: Convert to fraction form
    219,342.40/328,576.20 = 114,220.60/x
  3. Step 3: Cross multiply
    219,342.40x = 328,576.20 × 114,220.60
  4. Step 4: Simplify right side
    219,342.40x = 37,530,170,709.72
  5. Step 5: Solve for x
    x = 37,530,170,709.72/219,342.40
  6. Step 6: Final answer
    x = 171,103.13

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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.