Home / 226,422.72-312,451.94-125,818.56

Finding the Fourth Proportional to 226,422.72, 312,451.94 and 125,818.56

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Solution

The fourth proportional to 226,422.72, 312,451.94 and 125,818.56 is: 173,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422.72 : 312,451.94 = 125,818.56 : x
  2. Step 2: Convert to fraction form
    226,422.72/312,451.94 = 125,818.56/x
  3. Step 3: Cross multiply
    226,422.72x = 312,451.94 × 125,818.56
  4. Step 4: Simplify right side
    226,422.72x = 39,312,253,160.01
  5. Step 5: Solve for x
    x = 39,312,253,160.01/226,422.72
  6. Step 6: Final answer
    x = 173,623.27

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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.