Home / 200,768.98-277,057.05-124,267.78

Finding the Fourth Proportional to 200,768.98, 277,057.05 and 124,267.78

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Solution

The fourth proportional to 200,768.98, 277,057.05 and 124,267.78 is: 171,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,768.98 : 277,057.05 = 124,267.78 : x
  2. Step 2: Convert to fraction form
    200,768.98/277,057.05 = 124,267.78/x
  3. Step 3: Cross multiply
    200,768.98x = 277,057.05 × 124,267.78
  4. Step 4: Simplify right side
    200,768.98x = 34,429,264,536.85
  5. Step 5: Solve for x
    x = 34,429,264,536.85/200,768.98
  6. Step 6: Final answer
    x = 171,486.97

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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.