Home / 226,542.90-312,637.22-124,576.09

Finding the Fourth Proportional to 226,542.90, 312,637.22 and 124,576.09

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Solution

The fourth proportional to 226,542.90, 312,637.22 and 124,576.09 is: 171,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,542.90 : 312,637.22 = 124,576.09 : x
  2. Step 2: Convert to fraction form
    226,542.90/312,637.22 = 124,576.09/x
  3. Step 3: Cross multiply
    226,542.90x = 312,637.22 × 124,576.09
  4. Step 4: Simplify right side
    226,542.90x = 38,947,122,456.07
  5. Step 5: Solve for x
    x = 38,947,122,456.07/226,542.90
  6. Step 6: Final answer
    x = 171,919.41

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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.