Home / 331,934.16-458,067.06-188,694.21

Finding the Fourth Proportional to 331,934.16, 458,067.06 and 188,694.21

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Solution

The fourth proportional to 331,934.16, 458,067.06 and 188,694.21 is: 260,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,934.16 : 458,067.06 = 188,694.21 : x
  2. Step 2: Convert to fraction form
    331,934.16/458,067.06 = 188,694.21/x
  3. Step 3: Cross multiply
    331,934.16x = 458,067.06 × 188,694.21
  4. Step 4: Simplify right side
    331,934.16x = 86,434,602,013.72
  5. Step 5: Solve for x
    x = 86,434,602,013.72/331,934.16
  6. Step 6: Final answer
    x = 260,396.83

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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.