Home / 149,648.04-206,513.28-82,580.04

Finding the Fourth Proportional to 149,648.04, 206,513.28 and 82,580.04

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Solution

The fourth proportional to 149,648.04, 206,513.28 and 82,580.04 is: 113,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,648.04 : 206,513.28 = 82,580.04 : x
  2. Step 2: Convert to fraction form
    149,648.04/206,513.28 = 82,580.04/x
  3. Step 3: Cross multiply
    149,648.04x = 206,513.28 × 82,580.04
  4. Step 4: Simplify right side
    149,648.04x = 17,053,874,922.93
  5. Step 5: Solve for x
    x = 17,053,874,922.93/149,648.04
  6. Step 6: Final answer
    x = 113,959.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.