Home / 340,628.22-470,067.39-185,578.76

Finding the Fourth Proportional to 340,628.22, 470,067.39 and 185,578.76

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Solution

The fourth proportional to 340,628.22, 470,067.39 and 185,578.76 is: 256,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,628.22 : 470,067.39 = 185,578.76 : x
  2. Step 2: Convert to fraction form
    340,628.22/470,067.39 = 185,578.76/x
  3. Step 3: Cross multiply
    340,628.22x = 470,067.39 × 185,578.76
  4. Step 4: Simplify right side
    340,628.22x = 87,234,521,002.30
  5. Step 5: Solve for x
    x = 87,234,521,002.30/340,628.22
  6. Step 6: Final answer
    x = 256,098.93

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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.