Home / 296,664.75-409,399.33-160,698.70

Finding the Fourth Proportional to 296,664.75, 409,399.33 and 160,698.70

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Solution

The fourth proportional to 296,664.75, 409,399.33 and 160,698.70 is: 221,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,664.75 : 409,399.33 = 160,698.70 : x
  2. Step 2: Convert to fraction form
    296,664.75/409,399.33 = 160,698.70/x
  3. Step 3: Cross multiply
    296,664.75x = 409,399.33 × 160,698.70
  4. Step 4: Simplify right side
    296,664.75x = 65,789,940,221.87
  5. Step 5: Solve for x
    x = 65,789,940,221.87/296,664.75
  6. Step 6: Final answer
    x = 221,765.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.