Home / 165,319.85-228,146.11-100,792.82

Finding the Fourth Proportional to 165,319.85, 228,146.11 and 100,792.82

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Solution

The fourth proportional to 165,319.85, 228,146.11 and 100,792.82 is: 139,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,319.85 : 228,146.11 = 100,792.82 : x
  2. Step 2: Convert to fraction form
    165,319.85/228,146.11 = 100,792.82/x
  3. Step 3: Cross multiply
    165,319.85x = 228,146.11 × 100,792.82
  4. Step 4: Simplify right side
    165,319.85x = 22,995,489,798.93
  5. Step 5: Solve for x
    x = 22,995,489,798.93/165,319.85
  6. Step 6: Final answer
    x = 139,096.97

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1.5x scale

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.