Home / 133,028.09-183,583.04-75,665.94

Finding the Fourth Proportional to 133,028.09, 183,583.04 and 75,665.94

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Solution

The fourth proportional to 133,028.09, 183,583.04 and 75,665.94 is: 104,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.09 : 183,583.04 = 75,665.94 : x
  2. Step 2: Convert to fraction form
    133,028.09/183,583.04 = 75,665.94/x
  3. Step 3: Cross multiply
    133,028.09x = 183,583.04 × 75,665.94
  4. Step 4: Simplify right side
    133,028.09x = 13,890,983,289.66
  5. Step 5: Solve for x
    x = 13,890,983,289.66/133,028.09
  6. Step 6: Final answer
    x = 104,421.43

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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.