Home / 101,601.24-152,346.30-80,675.70

Finding the Fourth Proportional to 101,601.24, 152,346.30 and 80,675.70

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Solution

The fourth proportional to 101,601.24, 152,346.30 and 80,675.70 is: 120,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.24 : 152,346.30 = 80,675.70 : x
  2. Step 2: Convert to fraction form
    101,601.24/152,346.30 = 80,675.70/x
  3. Step 3: Cross multiply
    101,601.24x = 152,346.30 × 80,675.70
  4. Step 4: Simplify right side
    101,601.24x = 12,290,644,394.91
  5. Step 5: Solve for x
    x = 12,290,644,394.91/101,601.24
  6. Step 6: Final answer
    x = 120,969.43

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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.