Home / 133,317.30-183,989.25-75,974.16

Finding the Fourth Proportional to 133,317.30, 183,989.25 and 75,974.16

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Solution

The fourth proportional to 133,317.30, 183,989.25 and 75,974.16 is: 104,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,317.30 : 183,989.25 = 75,974.16 : x
  2. Step 2: Convert to fraction form
    133,317.30/183,989.25 = 75,974.16/x
  3. Step 3: Cross multiply
    133,317.30x = 183,989.25 × 75,974.16
  4. Step 4: Simplify right side
    133,317.30x = 13,978,428,717.78
  5. Step 5: Solve for x
    x = 13,978,428,717.78/133,317.30
  6. Step 6: Final answer
    x = 104,850.82

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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.