Home / 165,249.54-228,031.47-93,640.77

Finding the Fourth Proportional to 165,249.54, 228,031.47 and 93,640.77

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Solution

The fourth proportional to 165,249.54, 228,031.47 and 93,640.77 is: 129,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,249.54 : 228,031.47 = 93,640.77 : x
  2. Step 2: Convert to fraction form
    165,249.54/228,031.47 = 93,640.77/x
  3. Step 3: Cross multiply
    165,249.54x = 228,031.47 × 93,640.77
  4. Step 4: Simplify right side
    165,249.54x = 21,353,042,435.03
  5. Step 5: Solve for x
    x = 21,353,042,435.03/165,249.54
  6. Step 6: Final answer
    x = 129,216.96

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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.