Home / 133,890.02-200,694.87-45,112.85

Finding the Fourth Proportional to 133,890.02, 200,694.87 and 45,112.85

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Solution

The fourth proportional to 133,890.02, 200,694.87 and 45,112.85 is: 67,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,890.02 : 200,694.87 = 45,112.85 : x
  2. Step 2: Convert to fraction form
    133,890.02/200,694.87 = 45,112.85/x
  3. Step 3: Cross multiply
    133,890.02x = 200,694.87 × 45,112.85
  4. Step 4: Simplify right side
    133,890.02x = 9,053,916,562.61
  5. Step 5: Solve for x
    x = 9,053,916,562.61/133,890.02
  6. Step 6: Final answer
    x = 67,622.04

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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.