Home / 200,536.40-300,804.96-82,186.56

Finding the Fourth Proportional to 200,536.40, 300,804.96 and 82,186.56

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Solution

The fourth proportional to 200,536.40, 300,804.96 and 82,186.56 is: 123,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,536.40 : 300,804.96 = 82,186.56 : x
  2. Step 2: Convert to fraction form
    200,536.40/300,804.96 = 82,186.56/x
  3. Step 3: Cross multiply
    200,536.40x = 300,804.96 × 82,186.56
  4. Step 4: Simplify right side
    200,536.40x = 24,722,124,893.34
  5. Step 5: Solve for x
    x = 24,722,124,893.34/200,536.40
  6. Step 6: Final answer
    x = 123,279.99

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1.5x scale

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.