Home / 133,390.94-200,086.75-54,505.17

Finding the Fourth Proportional to 133,390.94, 200,086.75 and 54,505.17

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Solution

The fourth proportional to 133,390.94, 200,086.75 and 54,505.17 is: 81,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.94 : 200,086.75 = 54,505.17 : x
  2. Step 2: Convert to fraction form
    133,390.94/200,086.75 = 54,505.17/x
  3. Step 3: Cross multiply
    133,390.94x = 200,086.75 × 54,505.17
  4. Step 4: Simplify right side
    133,390.94x = 10,905,762,323.50
  5. Step 5: Solve for x
    x = 10,905,762,323.50/133,390.94
  6. Step 6: Final answer
    x = 81,757.89

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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.