Home / 165,788.10-228,979.44-120,668.40

Finding the Fourth Proportional to 165,788.10, 228,979.44 and 120,668.40

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Solution

The fourth proportional to 165,788.10, 228,979.44 and 120,668.40 is: 166,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,788.10 : 228,979.44 = 120,668.40 : x
  2. Step 2: Convert to fraction form
    165,788.10/228,979.44 = 120,668.40/x
  3. Step 3: Cross multiply
    165,788.10x = 228,979.44 × 120,668.40
  4. Step 4: Simplify right side
    165,788.10x = 27,630,582,657.70
  5. Step 5: Solve for x
    x = 27,630,582,657.70/165,788.10
  6. Step 6: Final answer
    x = 166,662.04

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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.