Home / 165,532.30-228,418.76-92,918.54

Finding the Fourth Proportional to 165,532.30, 228,418.76 and 92,918.54

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Solution

The fourth proportional to 165,532.30, 228,418.76 and 92,918.54 is: 128,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,532.30 : 228,418.76 = 92,918.54 : x
  2. Step 2: Convert to fraction form
    165,532.30/228,418.76 = 92,918.54/x
  3. Step 3: Cross multiply
    165,532.30x = 228,418.76 × 92,918.54
  4. Step 4: Simplify right side
    165,532.30x = 21,224,338,491.15
  5. Step 5: Solve for x
    x = 21,224,338,491.15/165,532.30
  6. Step 6: Final answer
    x = 128,218.72

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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.