Home / 134,072.72-201,107.96-54,109.46

Finding the Fourth Proportional to 134,072.72, 201,107.96 and 54,109.46

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Solution

The fourth proportional to 134,072.72, 201,107.96 and 54,109.46 is: 81,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,072.72 : 201,107.96 = 54,109.46 : x
  2. Step 2: Convert to fraction form
    134,072.72/201,107.96 = 54,109.46/x
  3. Step 3: Cross multiply
    134,072.72x = 201,107.96 × 54,109.46
  4. Step 4: Simplify right side
    134,072.72x = 10,881,842,247.04
  5. Step 5: Solve for x
    x = 10,881,842,247.04/134,072.72
  6. Step 6: Final answer
    x = 81,163.73

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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.