Home / 133,076.11-199,645.63-43,118.68

Finding the Fourth Proportional to 133,076.11, 199,645.63 and 43,118.68

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Solution

The fourth proportional to 133,076.11, 199,645.63 and 43,118.68 is: 64,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.11 : 199,645.63 = 43,118.68 : x
  2. Step 2: Convert to fraction form
    133,076.11/199,645.63 = 43,118.68/x
  3. Step 3: Cross multiply
    133,076.11x = 199,645.63 × 43,118.68
  4. Step 4: Simplify right side
    133,076.11x = 8,608,455,262.73
  5. Step 5: Solve for x
    x = 8,608,455,262.73/133,076.11
  6. Step 6: Final answer
    x = 64,688.21

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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.