Home / 436,214.01-654,321.17-136,717.83

Finding the Fourth Proportional to 436,214.01, 654,321.17 and 136,717.83

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Solution

The fourth proportional to 436,214.01, 654,321.17 and 136,717.83 is: 205,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,214.01 : 654,321.17 = 136,717.83 : x
  2. Step 2: Convert to fraction form
    436,214.01/654,321.17 = 136,717.83/x
  3. Step 3: Cross multiply
    436,214.01x = 654,321.17 × 136,717.83
  4. Step 4: Simplify right side
    436,214.01x = 89,457,369,801.87
  5. Step 5: Solve for x
    x = 89,457,369,801.87/436,214.01
  6. Step 6: Final answer
    x = 205,076.79

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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.