Home / 204,911.56-307,378.28-64,659.25

Finding the Fourth Proportional to 204,911.56, 307,378.28 and 64,659.25

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Solution

The fourth proportional to 204,911.56, 307,378.28 and 64,659.25 is: 96,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,911.56 : 307,378.28 = 64,659.25 : x
  2. Step 2: Convert to fraction form
    204,911.56/307,378.28 = 64,659.25/x
  3. Step 3: Cross multiply
    204,911.56x = 307,378.28 × 64,659.25
  4. Step 4: Simplify right side
    204,911.56x = 19,874,849,051.09
  5. Step 5: Solve for x
    x = 19,874,849,051.09/204,911.56
  6. Step 6: Final answer
    x = 96,992.33

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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.