Home / 200,763.16-277,103.53-136,341.43

Finding the Fourth Proportional to 200,763.16, 277,103.53 and 136,341.43

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Solution

The fourth proportional to 200,763.16, 277,103.53 and 136,341.43 is: 188,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,763.16 : 277,103.53 = 136,341.43 : x
  2. Step 2: Convert to fraction form
    200,763.16/277,103.53 = 136,341.43/x
  3. Step 3: Cross multiply
    200,763.16x = 277,103.53 × 136,341.43
  4. Step 4: Simplify right side
    200,763.16x = 37,780,691,015.92
  5. Step 5: Solve for x
    x = 37,780,691,015.92/200,763.16
  6. Step 6: Final answer
    x = 188,185.38

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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.