Home / 165,319.60-228,145.76-100,792.57

Finding the Fourth Proportional to 165,319.60, 228,145.76 and 100,792.57

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Solution

The fourth proportional to 165,319.60, 228,145.76 and 100,792.57 is: 139,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,319.60 : 228,145.76 = 100,792.57 : x
  2. Step 2: Convert to fraction form
    165,319.60/228,145.76 = 100,792.57/x
  3. Step 3: Cross multiply
    165,319.60x = 228,145.76 × 100,792.57
  4. Step 4: Simplify right side
    165,319.60x = 22,995,397,166.62
  5. Step 5: Solve for x
    x = 22,995,397,166.62/165,319.60
  6. Step 6: Final answer
    x = 139,096.62

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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.