Home / 165,840.80-228,858.41-94,219.29

Finding the Fourth Proportional to 165,840.80, 228,858.41 and 94,219.29

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Solution

The fourth proportional to 165,840.80, 228,858.41 and 94,219.29 is: 130,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,840.80 : 228,858.41 = 94,219.29 : x
  2. Step 2: Convert to fraction form
    165,840.80/228,858.41 = 94,219.29/x
  3. Step 3: Cross multiply
    165,840.80x = 228,858.41 × 94,219.29
  4. Step 4: Simplify right side
    165,840.80x = 21,562,876,429.63
  5. Step 5: Solve for x
    x = 21,562,876,429.63/165,840.80
  6. Step 6: Final answer
    x = 130,021.55

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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.