Home / 133,723.96-200,450.86-83,839.08

Finding the Fourth Proportional to 133,723.96, 200,450.86 and 83,839.08

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Solution

The fourth proportional to 133,723.96, 200,450.86 and 83,839.08 is: 125,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,723.96 : 200,450.86 = 83,839.08 : x
  2. Step 2: Convert to fraction form
    133,723.96/200,450.86 = 83,839.08/x
  3. Step 3: Cross multiply
    133,723.96x = 200,450.86 × 83,839.08
  4. Step 4: Simplify right side
    133,723.96x = 16,805,615,687.61
  5. Step 5: Solve for x
    x = 16,805,615,687.61/133,723.96
  6. Step 6: Final answer
    x = 125,673.93

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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.