Home / 200,821.59-277,131.47-115,936.83

Finding the Fourth Proportional to 200,821.59, 277,131.47 and 115,936.83

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Solution

The fourth proportional to 200,821.59, 277,131.47 and 115,936.83 is: 159,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,821.59 : 277,131.47 = 115,936.83 : x
  2. Step 2: Convert to fraction form
    200,821.59/277,131.47 = 115,936.83/x
  3. Step 3: Cross multiply
    200,821.59x = 277,131.47 × 115,936.83
  4. Step 4: Simplify right side
    200,821.59x = 32,129,743,545.36
  5. Step 5: Solve for x
    x = 32,129,743,545.36/200,821.59
  6. Step 6: Final answer
    x = 159,991.48

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1.5x scale

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.