Home / 165,601.84-248,236.66-76,917.63

Finding the Fourth Proportional to 165,601.84, 248,236.66 and 76,917.63

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Solution

The fourth proportional to 165,601.84, 248,236.66 and 76,917.63 is: 115,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,601.84 : 248,236.66 = 76,917.63 : x
  2. Step 2: Convert to fraction form
    165,601.84/248,236.66 = 76,917.63/x
  3. Step 3: Cross multiply
    165,601.84x = 248,236.66 × 76,917.63
  4. Step 4: Simplify right side
    165,601.84x = 19,093,775,566.32
  5. Step 5: Solve for x
    x = 19,093,775,566.32/165,601.84
  6. Step 6: Final answer
    x = 115,299.30

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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.