Home / 123,209.10-184,812.44-38,969.30

Finding the Fourth Proportional to 123,209.10, 184,812.44 and 38,969.30

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Solution

The fourth proportional to 123,209.10, 184,812.44 and 38,969.30 is: 58,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,209.10 : 184,812.44 = 38,969.30 : x
  2. Step 2: Convert to fraction form
    123,209.10/184,812.44 = 38,969.30/x
  3. Step 3: Cross multiply
    123,209.10x = 184,812.44 × 38,969.30
  4. Step 4: Simplify right side
    123,209.10x = 7,202,011,685.28
  5. Step 5: Solve for x
    x = 7,202,011,685.28/123,209.10
  6. Step 6: Final answer
    x = 58,453.57

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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.