Home / 219,383.38-329,075.07-53,171.38

Finding the Fourth Proportional to 219,383.38, 329,075.07 and 53,171.38

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Solution

The fourth proportional to 219,383.38, 329,075.07 and 53,171.38 is: 79,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,383.38 : 329,075.07 = 53,171.38 : x
  2. Step 2: Convert to fraction form
    219,383.38/329,075.07 = 53,171.38/x
  3. Step 3: Cross multiply
    219,383.38x = 329,075.07 × 53,171.38
  4. Step 4: Simplify right side
    219,383.38x = 17,497,375,595.50
  5. Step 5: Solve for x
    x = 17,497,375,595.50/219,383.38
  6. Step 6: Final answer
    x = 79,757.07

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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.