Home / 226,917.16-313,143.09-124,940.48

Finding the Fourth Proportional to 226,917.16, 313,143.09 and 124,940.48

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Solution

The fourth proportional to 226,917.16, 313,143.09 and 124,940.48 is: 172,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,917.16 : 313,143.09 = 124,940.48 : x
  2. Step 2: Convert to fraction form
    226,917.16/313,143.09 = 124,940.48/x
  3. Step 3: Cross multiply
    226,917.16x = 313,143.09 × 124,940.48
  4. Step 4: Simplify right side
    226,917.16x = 39,124,247,973.28
  5. Step 5: Solve for x
    x = 39,124,247,973.28/226,917.16
  6. Step 6: Final answer
    x = 172,416.44

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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.