Home / 215,921.33-323,918.84-73,758.77

Finding the Fourth Proportional to 215,921.33, 323,918.84 and 73,758.77

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Solution

The fourth proportional to 215,921.33, 323,918.84 and 73,758.77 is: 110,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,921.33 : 323,918.84 = 73,758.77 : x
  2. Step 2: Convert to fraction form
    215,921.33/323,918.84 = 73,758.77/x
  3. Step 3: Cross multiply
    215,921.33x = 323,918.84 × 73,758.77
  4. Step 4: Simplify right side
    215,921.33x = 23,891,855,218.23
  5. Step 5: Solve for x
    x = 23,891,855,218.23/215,921.33
  6. Step 6: Final answer
    x = 110,650.74

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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.