Home / 133,025.66-183,606.93-76,469.90

Finding the Fourth Proportional to 133,025.66, 183,606.93 and 76,469.90

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Solution

The fourth proportional to 133,025.66, 183,606.93 and 76,469.90 is: 105,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.66 : 183,606.93 = 76,469.90 : x
  2. Step 2: Convert to fraction form
    133,025.66/183,606.93 = 76,469.90/x
  3. Step 3: Cross multiply
    133,025.66x = 183,606.93 × 76,469.90
  4. Step 4: Simplify right side
    133,025.66x = 14,040,403,576.41
  5. Step 5: Solve for x
    x = 14,040,403,576.41/133,025.66
  6. Step 6: Final answer
    x = 105,546.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.