Home / 226,318.44-312,284.76-130,806.72

Finding the Fourth Proportional to 226,318.44, 312,284.76 and 130,806.72

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Solution

The fourth proportional to 226,318.44, 312,284.76 and 130,806.72 is: 180,493.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,318.44 : 312,284.76 = 130,806.72 : x
  2. Step 2: Convert to fraction form
    226,318.44/312,284.76 = 130,806.72/x
  3. Step 3: Cross multiply
    226,318.44x = 312,284.76 × 130,806.72
  4. Step 4: Simplify right side
    226,318.44x = 40,848,945,161.59
  5. Step 5: Solve for x
    x = 40,848,945,161.59/226,318.44
  6. Step 6: Final answer
    x = 180,493.23

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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.