Home / 259,213.88-388,515.33-116,892.51

Finding the Fourth Proportional to 259,213.88, 388,515.33 and 116,892.51

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Solution

The fourth proportional to 259,213.88, 388,515.33 and 116,892.51 is: 175,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,213.88 : 388,515.33 = 116,892.51 : x
  2. Step 2: Convert to fraction form
    259,213.88/388,515.33 = 116,892.51/x
  3. Step 3: Cross multiply
    259,213.88x = 388,515.33 × 116,892.51
  4. Step 4: Simplify right side
    259,213.88x = 45,414,532,097.18
  5. Step 5: Solve for x
    x = 45,414,532,097.18/259,213.88
  6. Step 6: Final answer
    x = 175,201.00

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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.