Home / 251,919.36-378,053.76-162,951.36

Finding the Fourth Proportional to 251,919.36, 378,053.76 and 162,951.36

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Solution

The fourth proportional to 251,919.36, 378,053.76 and 162,951.36 is: 244,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,919.36 : 378,053.76 = 162,951.36 : x
  2. Step 2: Convert to fraction form
    251,919.36/378,053.76 = 162,951.36/x
  3. Step 3: Cross multiply
    251,919.36x = 378,053.76 × 162,951.36
  4. Step 4: Simplify right side
    251,919.36x = 61,604,374,345.11
  5. Step 5: Solve for x
    x = 61,604,374,345.11/251,919.36
  6. Step 6: Final answer
    x = 244,540.06

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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.