Home / 133,166.49-199,774.22-39,661.53

Finding the Fourth Proportional to 133,166.49, 199,774.22 and 39,661.53

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Solution

The fourth proportional to 133,166.49, 199,774.22 and 39,661.53 is: 59,499.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166.49 : 199,774.22 = 39,661.53 : x
  2. Step 2: Convert to fraction form
    133,166.49/199,774.22 = 39,661.53/x
  3. Step 3: Cross multiply
    133,166.49x = 199,774.22 × 39,661.53
  4. Step 4: Simplify right side
    133,166.49x = 7,923,351,021.45
  5. Step 5: Solve for x
    x = 7,923,351,021.45/133,166.49
  6. Step 6: Final answer
    x = 59,499.59

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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.