Home / 226,540.20-312,626.64-124,572.24

Finding the Fourth Proportional to 226,540.20, 312,626.64 and 124,572.24

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Solution

The fourth proportional to 226,540.20, 312,626.64 and 124,572.24 is: 171,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.20 : 312,626.64 = 124,572.24 : x
  2. Step 2: Convert to fraction form
    226,540.20/312,626.64 = 124,572.24/x
  3. Step 3: Cross multiply
    226,540.20x = 312,626.64 × 124,572.24
  4. Step 4: Simplify right side
    226,540.20x = 38,944,600,828.47
  5. Step 5: Solve for x
    x = 38,944,600,828.47/226,540.20
  6. Step 6: Final answer
    x = 171,910.33

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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.