Home / 165,794.75-228,796.71-90,343.25

Finding the Fourth Proportional to 165,794.75, 228,796.71 and 90,343.25

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Solution

The fourth proportional to 165,794.75, 228,796.71 and 90,343.25 is: 124,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,794.75 : 228,796.71 = 90,343.25 : x
  2. Step 2: Convert to fraction form
    165,794.75/228,796.71 = 90,343.25/x
  3. Step 3: Cross multiply
    165,794.75x = 228,796.71 × 90,343.25
  4. Step 4: Simplify right side
    165,794.75x = 20,670,238,370.71
  5. Step 5: Solve for x
    x = 20,670,238,370.71/165,794.75
  6. Step 6: Final answer
    x = 124,673.66

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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.