Home / 204,921.16-307,391.14-76,868.04

Finding the Fourth Proportional to 204,921.16, 307,391.14 and 76,868.04

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Solution

The fourth proportional to 204,921.16, 307,391.14 and 76,868.04 is: 115,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,921.16 : 307,391.14 = 76,868.04 : x
  2. Step 2: Convert to fraction form
    204,921.16/307,391.14 = 76,868.04/x
  3. Step 3: Cross multiply
    204,921.16x = 307,391.14 × 76,868.04
  4. Step 4: Simplify right side
    204,921.16x = 23,628,554,445.17
  5. Step 5: Solve for x
    x = 23,628,554,445.17/204,921.16
  6. Step 6: Final answer
    x = 115,305.59

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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.