Home / 226,736.21-312,896.27-126,134.21

Finding the Fourth Proportional to 226,736.21, 312,896.27 and 126,134.21

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Solution

The fourth proportional to 226,736.21, 312,896.27 and 126,134.21 is: 174,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,736.21 : 312,896.27 = 126,134.21 : x
  2. Step 2: Convert to fraction form
    226,736.21/312,896.27 = 126,134.21/x
  3. Step 3: Cross multiply
    226,736.21x = 312,896.27 × 126,134.21
  4. Step 4: Simplify right side
    226,736.21x = 39,466,923,828.40
  5. Step 5: Solve for x
    x = 39,466,923,828.40/226,736.21
  6. Step 6: Final answer
    x = 174,065.38

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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.