Home / 339,917.14-469,097.12-186,961.78

Finding the Fourth Proportional to 339,917.14, 469,097.12 and 186,961.78

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Solution

The fourth proportional to 339,917.14, 469,097.12 and 186,961.78 is: 258,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,917.14 : 469,097.12 = 186,961.78 : x
  2. Step 2: Convert to fraction form
    339,917.14/469,097.12 = 186,961.78/x
  3. Step 3: Cross multiply
    339,917.14x = 469,097.12 × 186,961.78
  4. Step 4: Simplify right side
    339,917.14x = 87,703,232,548.07
  5. Step 5: Solve for x
    x = 87,703,232,548.07/339,917.14
  6. Step 6: Final answer
    x = 258,013.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.