Home / 165,749.60-248,721.60-60,579.20

Finding the Fourth Proportional to 165,749.60, 248,721.60 and 60,579.20

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Solution

The fourth proportional to 165,749.60, 248,721.60 and 60,579.20 is: 90,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,749.60 : 248,721.60 = 60,579.20 : x
  2. Step 2: Convert to fraction form
    165,749.60/248,721.60 = 60,579.20/x
  3. Step 3: Cross multiply
    165,749.60x = 248,721.60 × 60,579.20
  4. Step 4: Simplify right side
    165,749.60x = 15,067,355,550.72
  5. Step 5: Solve for x
    x = 15,067,355,550.72/165,749.60
  6. Step 6: Final answer
    x = 90,904.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.