Home / 257,067.36-354,756.59-148,111.49

Finding the Fourth Proportional to 257,067.36, 354,756.59 and 148,111.49

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Solution

The fourth proportional to 257,067.36, 354,756.59 and 148,111.49 is: 204,395.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,067.36 : 354,756.59 = 148,111.49 : x
  2. Step 2: Convert to fraction form
    257,067.36/354,756.59 = 148,111.49/x
  3. Step 3: Cross multiply
    257,067.36x = 354,756.59 × 148,111.49
  4. Step 4: Simplify right side
    257,067.36x = 52,543,524,617.88
  5. Step 5: Solve for x
    x = 52,543,524,617.88/257,067.36
  6. Step 6: Final answer
    x = 204,395.94

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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.