Home / 133,570.50-200,180.79-74,434.02

Finding the Fourth Proportional to 133,570.50, 200,180.79 and 74,434.02

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Solution

The fourth proportional to 133,570.50, 200,180.79 and 74,434.02 is: 111,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,570.50 : 200,180.79 = 74,434.02 : x
  2. Step 2: Convert to fraction form
    133,570.50/200,180.79 = 74,434.02/x
  3. Step 3: Cross multiply
    133,570.50x = 200,180.79 × 74,434.02
  4. Step 4: Simplify right side
    133,570.50x = 14,900,260,926.48
  5. Step 5: Solve for x
    x = 14,900,260,926.48/133,570.50
  6. Step 6: Final answer
    x = 111,553.53

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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.