Home / 133,066.07-199,540.78-49,901.75

Finding the Fourth Proportional to 133,066.07, 199,540.78 and 49,901.75

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Solution

The fourth proportional to 133,066.07, 199,540.78 and 49,901.75 is: 74,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.07 : 199,540.78 = 49,901.75 : x
  2. Step 2: Convert to fraction form
    133,066.07/199,540.78 = 49,901.75/x
  3. Step 3: Cross multiply
    133,066.07x = 199,540.78 × 49,901.75
  4. Step 4: Simplify right side
    133,066.07x = 9,957,434,118.37
  5. Step 5: Solve for x
    x = 9,957,434,118.37/133,066.07
  6. Step 6: Final answer
    x = 74,830.75

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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.