Home / 151,212.40-226,818.60-123,218.80

Finding the Fourth Proportional to 151,212.40, 226,818.60 and 123,218.80

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Solution

The fourth proportional to 151,212.40, 226,818.60 and 123,218.80 is: 184,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,212.40 : 226,818.60 = 123,218.80 : x
  2. Step 2: Convert to fraction form
    151,212.40/226,818.60 = 123,218.80/x
  3. Step 3: Cross multiply
    151,212.40x = 226,818.60 × 123,218.80
  4. Step 4: Simplify right side
    151,212.40x = 27,948,315,709.68
  5. Step 5: Solve for x
    x = 27,948,315,709.68/151,212.40
  6. Step 6: Final answer
    x = 184,828.20

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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.