Home / 201,332.32-301,776.94-82,939.09

Finding the Fourth Proportional to 201,332.32, 301,776.94 and 82,939.09

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Solution

The fourth proportional to 201,332.32, 301,776.94 and 82,939.09 is: 124,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,332.32 : 301,776.94 = 82,939.09 : x
  2. Step 2: Convert to fraction form
    201,332.32/301,776.94 = 82,939.09/x
  3. Step 3: Cross multiply
    201,332.32x = 301,776.94 × 82,939.09
  4. Step 4: Simplify right side
    201,332.32x = 25,029,104,786.58
  5. Step 5: Solve for x
    x = 25,029,104,786.58/201,332.32
  6. Step 6: Final answer
    x = 124,317.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.