Home / 226,286.22-312,240.27-130,774.47

Finding the Fourth Proportional to 226,286.22, 312,240.27 and 130,774.47

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Solution

The fourth proportional to 226,286.22, 312,240.27 and 130,774.47 is: 180,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,286.22 : 312,240.27 = 130,774.47 : x
  2. Step 2: Convert to fraction form
    226,286.22/312,240.27 = 130,774.47/x
  3. Step 3: Cross multiply
    226,286.22x = 312,240.27 × 130,774.47
  4. Step 4: Simplify right side
    226,286.22x = 40,833,055,821.91
  5. Step 5: Solve for x
    x = 40,833,055,821.91/226,286.22
  6. Step 6: Final answer
    x = 180,448.71

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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.