Home / 277,763.25-383,207.58-205,340.04

Finding the Fourth Proportional to 277,763.25, 383,207.58 and 205,340.04

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Solution

The fourth proportional to 277,763.25, 383,207.58 and 205,340.04 is: 283,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,763.25 : 383,207.58 = 205,340.04 : x
  2. Step 2: Convert to fraction form
    277,763.25/383,207.58 = 205,340.04/x
  3. Step 3: Cross multiply
    277,763.25x = 383,207.58 × 205,340.04
  4. Step 4: Simplify right side
    277,763.25x = 78,687,859,805.50
  5. Step 5: Solve for x
    x = 78,687,859,805.50/277,763.25
  6. Step 6: Final answer
    x = 283,291.11

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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.