Home / 226,415.82-312,457.07-124,450.71

Finding the Fourth Proportional to 226,415.82, 312,457.07 and 124,450.71

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Solution

The fourth proportional to 226,415.82, 312,457.07 and 124,450.71 is: 171,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,415.82 : 312,457.07 = 124,450.71 : x
  2. Step 2: Convert to fraction form
    226,415.82/312,457.07 = 124,450.71/x
  3. Step 3: Cross multiply
    226,415.82x = 312,457.07 × 124,450.71
  4. Step 4: Simplify right side
    226,415.82x = 38,885,504,206.02
  5. Step 5: Solve for x
    x = 38,885,504,206.02/226,415.82
  6. Step 6: Final answer
    x = 171,743.76

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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.