Home / 165,564.73-248,152.58-76,630.39

Finding the Fourth Proportional to 165,564.73, 248,152.58 and 76,630.39

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Solution

The fourth proportional to 165,564.73, 248,152.58 and 76,630.39 is: 114,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,564.73 : 248,152.58 = 76,630.39 : x
  2. Step 2: Convert to fraction form
    165,564.73/248,152.58 = 76,630.39/x
  3. Step 3: Cross multiply
    165,564.73x = 248,152.58 × 76,630.39
  4. Step 4: Simplify right side
    165,564.73x = 19,016,028,601.75
  5. Step 5: Solve for x
    x = 19,016,028,601.75/165,564.73
  6. Step 6: Final answer
    x = 114,855.55

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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.