Home / 226,733.60-312,899.84-124,770.72

Finding the Fourth Proportional to 226,733.60, 312,899.84 and 124,770.72

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Solution

The fourth proportional to 226,733.60, 312,899.84 and 124,770.72 is: 172,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,733.60 : 312,899.84 = 124,770.72 : x
  2. Step 2: Convert to fraction form
    226,733.60/312,899.84 = 124,770.72/x
  3. Step 3: Cross multiply
    226,733.60x = 312,899.84 × 124,770.72
  4. Step 4: Simplify right side
    226,733.60x = 39,040,738,324.68
  5. Step 5: Solve for x
    x = 39,040,738,324.68/226,733.60
  6. Step 6: Final answer
    x = 172,187.71

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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.