Home / 131,835.24-197,757.72-67,776.24

Finding the Fourth Proportional to 131,835.24, 197,757.72 and 67,776.24

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Solution

The fourth proportional to 131,835.24, 197,757.72 and 67,776.24 is: 101,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,835.24 : 197,757.72 = 67,776.24 : x
  2. Step 2: Convert to fraction form
    131,835.24/197,757.72 = 67,776.24/x
  3. Step 3: Cross multiply
    131,835.24x = 197,757.72 × 67,776.24
  4. Step 4: Simplify right side
    131,835.24x = 13,403,274,692.57
  5. Step 5: Solve for x
    x = 13,403,274,692.57/131,835.24
  6. Step 6: Final answer
    x = 101,666.86

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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.