Home / 436,107.24-654,173.15-120,564.11

Finding the Fourth Proportional to 436,107.24, 654,173.15 and 120,564.11

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Solution

The fourth proportional to 436,107.24, 654,173.15 and 120,564.11 is: 180,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,107.24 : 654,173.15 = 120,564.11 : x
  2. Step 2: Convert to fraction form
    436,107.24/654,173.15 = 120,564.11/x
  3. Step 3: Cross multiply
    436,107.24x = 654,173.15 × 120,564.11
  4. Step 4: Simplify right side
    436,107.24x = 78,869,804,648.26
  5. Step 5: Solve for x
    x = 78,869,804,648.26/436,107.24
  6. Step 6: Final answer
    x = 180,849.57

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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.