Home / 259,410.14-386,536.29-231,112.75

Finding the Fourth Proportional to 259,410.14, 386,536.29 and 231,112.75

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Solution

The fourth proportional to 259,410.14, 386,536.29 and 231,112.75 is: 344,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,410.14 : 386,536.29 = 231,112.75 : x
  2. Step 2: Convert to fraction form
    259,410.14/386,536.29 = 231,112.75/x
  3. Step 3: Cross multiply
    259,410.14x = 386,536.29 × 231,112.75
  4. Step 4: Simplify right side
    259,410.14x = 89,333,464,956.70
  5. Step 5: Solve for x
    x = 89,333,464,956.70/259,410.14
  6. Step 6: Final answer
    x = 344,371.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.