Home / 149,311.70-205,977.56-95,553.62

Finding the Fourth Proportional to 149,311.70, 205,977.56 and 95,553.62

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Solution

The fourth proportional to 149,311.70, 205,977.56 and 95,553.62 is: 131,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,311.70 : 205,977.56 = 95,553.62 : x
  2. Step 2: Convert to fraction form
    149,311.70/205,977.56 = 95,553.62/x
  3. Step 3: Cross multiply
    149,311.70x = 205,977.56 × 95,553.62
  4. Step 4: Simplify right side
    149,311.70x = 19,681,901,496.77
  5. Step 5: Solve for x
    x = 19,681,901,496.77/149,311.70
  6. Step 6: Final answer
    x = 131,817.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.