Home / 144,885.09-217,199.53-54,865.26

Finding the Fourth Proportional to 144,885.09, 217,199.53 and 54,865.26

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Solution

The fourth proportional to 144,885.09, 217,199.53 and 54,865.26 is: 82,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,885.09 : 217,199.53 = 54,865.26 : x
  2. Step 2: Convert to fraction form
    144,885.09/217,199.53 = 54,865.26/x
  3. Step 3: Cross multiply
    144,885.09x = 217,199.53 × 54,865.26
  4. Step 4: Simplify right side
    144,885.09x = 11,916,708,685.33
  5. Step 5: Solve for x
    x = 11,916,708,685.33/144,885.09
  6. Step 6: Final answer
    x = 82,249.38

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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.