Home / 82,355.70-123,553.80-23,190.60

Finding the Fourth Proportional to 82,355.70, 123,553.80 and 23,190.60

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Solution

The fourth proportional to 82,355.70, 123,553.80 and 23,190.60 is: 34,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.70 : 123,553.80 = 23,190.60 : x
  2. Step 2: Convert to fraction form
    82,355.70/123,553.80 = 23,190.60/x
  3. Step 3: Cross multiply
    82,355.70x = 123,553.80 × 23,190.60
  4. Step 4: Simplify right side
    82,355.70x = 2,865,286,754.28
  5. Step 5: Solve for x
    x = 2,865,286,754.28/82,355.70
  6. Step 6: Final answer
    x = 34,791.60

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1.5x scale

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.