Home / 165,789.23-248,631.53-70,994.39

Finding the Fourth Proportional to 165,789.23, 248,631.53 and 70,994.39

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Solution

The fourth proportional to 165,789.23, 248,631.53 and 70,994.39 is: 106,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,789.23 : 248,631.53 = 70,994.39 : x
  2. Step 2: Convert to fraction form
    165,789.23/248,631.53 = 70,994.39/x
  3. Step 3: Cross multiply
    165,789.23x = 248,631.53 × 70,994.39
  4. Step 4: Simplify right side
    165,789.23x = 17,651,442,208.99
  5. Step 5: Solve for x
    x = 17,651,442,208.99/165,789.23
  6. Step 6: Final answer
    x = 106,469.18

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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.