Home / 133,914.72-200,954.08-53,938.02

Finding the Fourth Proportional to 133,914.72, 200,954.08 and 53,938.02

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Solution

The fourth proportional to 133,914.72, 200,954.08 and 53,938.02 is: 80,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.72 : 200,954.08 = 53,938.02 : x
  2. Step 2: Convert to fraction form
    133,914.72/200,954.08 = 53,938.02/x
  3. Step 3: Cross multiply
    133,914.72x = 200,954.08 × 53,938.02
  4. Step 4: Simplify right side
    133,914.72x = 10,839,065,186.12
  5. Step 5: Solve for x
    x = 10,839,065,186.12/133,914.72
  6. Step 6: Final answer
    x = 80,940.06

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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.