Home / 436,236.48-654,233.76-120,669.12

Finding the Fourth Proportional to 436,236.48, 654,233.76 and 120,669.12

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Solution

The fourth proportional to 436,236.48, 654,233.76 and 120,669.12 is: 180,970.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,236.48 : 654,233.76 = 120,669.12 : x
  2. Step 2: Convert to fraction form
    436,236.48/654,233.76 = 120,669.12/x
  3. Step 3: Cross multiply
    436,236.48x = 654,233.76 × 120,669.12
  4. Step 4: Simplify right side
    436,236.48x = 78,945,812,093.49
  5. Step 5: Solve for x
    x = 78,945,812,093.49/436,236.48
  6. Step 6: Final answer
    x = 180,970.22

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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.