Home / 165,778.45-228,801.78-97,812.09

Finding the Fourth Proportional to 165,778.45, 228,801.78 and 97,812.09

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Solution

The fourth proportional to 165,778.45, 228,801.78 and 97,812.09 is: 134,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,778.45 : 228,801.78 = 97,812.09 : x
  2. Step 2: Convert to fraction form
    165,778.45/228,801.78 = 97,812.09/x
  3. Step 3: Cross multiply
    165,778.45x = 228,801.78 × 97,812.09
  4. Step 4: Simplify right side
    165,778.45x = 22,379,580,297.52
  5. Step 5: Solve for x
    x = 22,379,580,297.52/165,778.45
  6. Step 6: Final answer
    x = 134,996.92

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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.