Home / 440,923.37-661,496.09-125,380.17

Finding the Fourth Proportional to 440,923.37, 661,496.09 and 125,380.17

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Solution

The fourth proportional to 440,923.37, 661,496.09 and 125,380.17 is: 188,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,923.37 : 661,496.09 = 125,380.17 : x
  2. Step 2: Convert to fraction form
    440,923.37/661,496.09 = 125,380.17/x
  3. Step 3: Cross multiply
    440,923.37x = 661,496.09 × 125,380.17
  4. Step 4: Simplify right side
    440,923.37x = 82,938,491,591.63
  5. Step 5: Solve for x
    x = 82,938,491,591.63/440,923.37
  6. Step 6: Final answer
    x = 188,101.83

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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.