Home / 164,286.20-226,739.55-100,660.89

Finding the Fourth Proportional to 164,286.20, 226,739.55 and 100,660.89

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Solution

The fourth proportional to 164,286.20, 226,739.55 and 100,660.89 is: 138,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,286.20 : 226,739.55 = 100,660.89 : x
  2. Step 2: Convert to fraction form
    164,286.20/226,739.55 = 100,660.89/x
  3. Step 3: Cross multiply
    164,286.20x = 226,739.55 × 100,660.89
  4. Step 4: Simplify right side
    164,286.20x = 22,823,804,901.20
  5. Step 5: Solve for x
    x = 22,823,804,901.20/164,286.20
  6. Step 6: Final answer
    x = 138,927.10

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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.