Home / 225,491.48-311,167.18-123,517.39

Finding the Fourth Proportional to 225,491.48, 311,167.18 and 123,517.39

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Solution

The fourth proportional to 225,491.48, 311,167.18 and 123,517.39 is: 170,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,491.48 : 311,167.18 = 123,517.39 : x
  2. Step 2: Convert to fraction form
    225,491.48/311,167.18 = 123,517.39/x
  3. Step 3: Cross multiply
    225,491.48x = 311,167.18 × 123,517.39
  4. Step 4: Simplify right side
    225,491.48x = 38,434,557,927.26
  5. Step 5: Solve for x
    x = 38,434,557,927.26/225,491.48
  6. Step 6: Final answer
    x = 170,447.94

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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.