Home / 413,120.57-619,622.51-132,601.37

Finding the Fourth Proportional to 413,120.57, 619,622.51 and 132,601.37

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Solution

The fourth proportional to 413,120.57, 619,622.51 and 132,601.37 is: 198,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,120.57 : 619,622.51 = 132,601.37 : x
  2. Step 2: Convert to fraction form
    413,120.57/619,622.51 = 132,601.37/x
  3. Step 3: Cross multiply
    413,120.57x = 619,622.51 × 132,601.37
  4. Step 4: Simplify right side
    413,120.57x = 82,162,789,947.72
  5. Step 5: Solve for x
    x = 82,162,789,947.72/413,120.57
  6. Step 6: Final answer
    x = 198,883.32

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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.