Home / 226,734.28-312,879.66-124,756

Finding the Fourth Proportional to 226,734.28, 312,879.66 and 124,756

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Solution

The fourth proportional to 226,734.28, 312,879.66 and 124,756 is: 172,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,734.28 : 312,879.66 = 124,756 : x
  2. Step 2: Convert to fraction form
    226,734.28/312,879.66 = 124,756/x
  3. Step 3: Cross multiply
    226,734.28x = 312,879.66 × 124,756
  4. Step 4: Simplify right side
    226,734.28x = 39,033,614,862.96
  5. Step 5: Solve for x
    x = 39,033,614,862.96/226,734.28
  6. Step 6: Final answer
    x = 172,155.77

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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.