Home / 436,716.36-655,082.64-137,191.32

Finding the Fourth Proportional to 436,716.36, 655,082.64 and 137,191.32

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Solution

The fourth proportional to 436,716.36, 655,082.64 and 137,191.32 is: 205,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,716.36 : 655,082.64 = 137,191.32 : x
  2. Step 2: Convert to fraction form
    436,716.36/655,082.64 = 137,191.32/x
  3. Step 3: Cross multiply
    436,716.36x = 655,082.64 × 137,191.32
  4. Step 4: Simplify right side
    436,716.36x = 89,871,652,090.68
  5. Step 5: Solve for x
    x = 89,871,652,090.68/436,716.36
  6. Step 6: Final answer
    x = 205,789.52

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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.