Home / 226,128.83-338,794.11-137,201.76

Finding the Fourth Proportional to 226,128.83, 338,794.11 and 137,201.76

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Solution

The fourth proportional to 226,128.83, 338,794.11 and 137,201.76 is: 205,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,128.83 : 338,794.11 = 137,201.76 : x
  2. Step 2: Convert to fraction form
    226,128.83/338,794.11 = 137,201.76/x
  3. Step 3: Cross multiply
    226,128.83x = 338,794.11 × 137,201.76
  4. Step 4: Simplify right side
    226,128.83x = 46,483,148,169.63
  5. Step 5: Solve for x
    x = 46,483,148,169.63/226,128.83
  6. Step 6: Final answer
    x = 205,560.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.