Home / 133,309.38-199,964.28-53,383.34

Finding the Fourth Proportional to 133,309.38, 199,964.28 and 53,383.34

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Solution

The fourth proportional to 133,309.38, 199,964.28 and 53,383.34 is: 80,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,309.38 : 199,964.28 = 53,383.34 : x
  2. Step 2: Convert to fraction form
    133,309.38/199,964.28 = 53,383.34/x
  3. Step 3: Cross multiply
    133,309.38x = 199,964.28 × 53,383.34
  4. Step 4: Simplify right side
    133,309.38x = 10,674,761,147.10
  5. Step 5: Solve for x
    x = 10,674,761,147.10/133,309.38
  6. Step 6: Final answer
    x = 80,075.09

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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.