Home / 225,984.12-311,857.22-124,011.30

Finding the Fourth Proportional to 225,984.12, 311,857.22 and 124,011.30

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Solution

The fourth proportional to 225,984.12, 311,857.22 and 124,011.30 is: 171,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,984.12 : 311,857.22 = 124,011.30 : x
  2. Step 2: Convert to fraction form
    225,984.12/311,857.22 = 124,011.30/x
  3. Step 3: Cross multiply
    225,984.12x = 311,857.22 × 124,011.30
  4. Step 4: Simplify right side
    225,984.12x = 38,673,819,266.59
  5. Step 5: Solve for x
    x = 38,673,819,266.59/225,984.12
  6. Step 6: Final answer
    x = 171,135.12

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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.