Home / 331,455.78-457,393.23-188,196.75

Finding the Fourth Proportional to 331,455.78, 457,393.23 and 188,196.75

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Solution

The fourth proportional to 331,455.78, 457,393.23 and 188,196.75 is: 259,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,455.78 : 457,393.23 = 188,196.75 : x
  2. Step 2: Convert to fraction form
    331,455.78/457,393.23 = 188,196.75/x
  3. Step 3: Cross multiply
    331,455.78x = 457,393.23 × 188,196.75
  4. Step 4: Simplify right side
    331,455.78x = 86,079,919,358.00
  5. Step 5: Solve for x
    x = 86,079,919,358.00/331,455.78
  6. Step 6: Final answer
    x = 259,702.57

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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.