Home / 320,752.24-442,511.91-206,014.83

Finding the Fourth Proportional to 320,752.24, 442,511.91 and 206,014.83

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Solution

The fourth proportional to 320,752.24, 442,511.91 and 206,014.83 is: 284,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,752.24 : 442,511.91 = 206,014.83 : x
  2. Step 2: Convert to fraction form
    320,752.24/442,511.91 = 206,014.83/x
  3. Step 3: Cross multiply
    320,752.24x = 442,511.91 × 206,014.83
  4. Step 4: Simplify right side
    320,752.24x = 91,164,014,252.21
  5. Step 5: Solve for x
    x = 91,164,014,252.21/320,752.24
  6. Step 6: Final answer
    x = 284,219.42

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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.