Home / 165,792.06-228,794.76-90,340.56

Finding the Fourth Proportional to 165,792.06, 228,794.76 and 90,340.56

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Solution

The fourth proportional to 165,792.06, 228,794.76 and 90,340.56 is: 124,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,792.06 : 228,794.76 = 90,340.56 : x
  2. Step 2: Convert to fraction form
    165,792.06/228,794.76 = 90,340.56/x
  3. Step 3: Cross multiply
    165,792.06x = 228,794.76 × 90,340.56
  4. Step 4: Simplify right side
    165,792.06x = 20,669,446,743.47
  5. Step 5: Solve for x
    x = 20,669,446,743.47/165,792.06
  6. Step 6: Final answer
    x = 124,670.91

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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.