Home / 127,375.43-191,067.40-57,254.95

Finding the Fourth Proportional to 127,375.43, 191,067.40 and 57,254.95

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Solution

The fourth proportional to 127,375.43, 191,067.40 and 57,254.95 is: 85,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.43 : 191,067.40 = 57,254.95 : x
  2. Step 2: Convert to fraction form
    127,375.43/191,067.40 = 57,254.95/x
  3. Step 3: Cross multiply
    127,375.43x = 191,067.40 × 57,254.95
  4. Step 4: Simplify right side
    127,375.43x = 10,939,553,478.29
  5. Step 5: Solve for x
    x = 10,939,553,478.29/127,375.43
  6. Step 6: Final answer
    x = 85,884.33

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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.