Home / 133,262.81-183,902.24-72,833.43

Finding the Fourth Proportional to 133,262.81, 183,902.24 and 72,833.43

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Solution

The fourth proportional to 133,262.81, 183,902.24 and 72,833.43 is: 100,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.81 : 183,902.24 = 72,833.43 : x
  2. Step 2: Convert to fraction form
    133,262.81/183,902.24 = 72,833.43/x
  3. Step 3: Cross multiply
    133,262.81x = 183,902.24 × 72,833.43
  4. Step 4: Simplify right side
    133,262.81x = 13,394,230,559.72
  5. Step 5: Solve for x
    x = 13,394,230,559.72/133,262.81
  6. Step 6: Final answer
    x = 100,509.90

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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.