Home / 225,810.73-311,619.25-123,836.91

Finding the Fourth Proportional to 225,810.73, 311,619.25 and 123,836.91

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Solution

The fourth proportional to 225,810.73, 311,619.25 and 123,836.91 is: 170,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,810.73 : 311,619.25 = 123,836.91 : x
  2. Step 2: Convert to fraction form
    225,810.73/311,619.25 = 123,836.91/x
  3. Step 3: Cross multiply
    225,810.73x = 311,619.25 × 123,836.91
  4. Step 4: Simplify right side
    225,810.73x = 38,589,962,839.24
  5. Step 5: Solve for x
    x = 38,589,962,839.24/225,810.73
  6. Step 6: Final answer
    x = 170,895.17

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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.