Home / 226,044.35-311,936.75-127,925.78

Finding the Fourth Proportional to 226,044.35, 311,936.75 and 127,925.78

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Solution

The fourth proportional to 226,044.35, 311,936.75 and 127,925.78 is: 176,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,044.35 : 311,936.75 = 127,925.78 : x
  2. Step 2: Convert to fraction form
    226,044.35/311,936.75 = 127,925.78/x
  3. Step 3: Cross multiply
    226,044.35x = 311,936.75 × 127,925.78
  4. Step 4: Simplify right side
    226,044.35x = 39,904,751,493.07
  5. Step 5: Solve for x
    x = 39,904,751,493.07/226,044.35
  6. Step 6: Final answer
    x = 176,535.05

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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.