Home / 204,786.73-307,130.89-104,895.51

Finding the Fourth Proportional to 204,786.73, 307,130.89 and 104,895.51

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Solution

The fourth proportional to 204,786.73, 307,130.89 and 104,895.51 is: 157,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,786.73 : 307,130.89 = 104,895.51 : x
  2. Step 2: Convert to fraction form
    204,786.73/307,130.89 = 104,895.51/x
  3. Step 3: Cross multiply
    204,786.73x = 307,130.89 × 104,895.51
  4. Step 4: Simplify right side
    204,786.73x = 32,216,650,126.00
  5. Step 5: Solve for x
    x = 32,216,650,126.00/204,786.73
  6. Step 6: Final answer
    x = 157,318.05

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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.