Home / 133,046.98-199,464.54-76,823.38

Finding the Fourth Proportional to 133,046.98, 199,464.54 and 76,823.38

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Solution

The fourth proportional to 133,046.98, 199,464.54 and 76,823.38 is: 115,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,046.98 : 199,464.54 = 76,823.38 : x
  2. Step 2: Convert to fraction form
    133,046.98/199,464.54 = 76,823.38/x
  3. Step 3: Cross multiply
    133,046.98x = 199,464.54 × 76,823.38
  4. Step 4: Simplify right side
    133,046.98x = 15,323,540,152.95
  5. Step 5: Solve for x
    x = 15,323,540,152.95/133,046.98
  6. Step 6: Final answer
    x = 115,173.90

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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.