Home / 101,331.20-151,999.87-34,770.38

Finding the Fourth Proportional to 101,331.20, 151,999.87 and 34,770.38

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Solution

The fourth proportional to 101,331.20, 151,999.87 and 34,770.38 is: 52,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,331.20 : 151,999.87 = 34,770.38 : x
  2. Step 2: Convert to fraction form
    101,331.20/151,999.87 = 34,770.38/x
  3. Step 3: Cross multiply
    101,331.20x = 151,999.87 × 34,770.38
  4. Step 4: Simplify right side
    101,331.20x = 5,285,093,239.85
  5. Step 5: Solve for x
    x = 5,285,093,239.85/101,331.20
  6. Step 6: Final answer
    x = 52,156.62

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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.