Home / 131,437.08-196,859.16-92,169.90

Finding the Fourth Proportional to 131,437.08, 196,859.16 and 92,169.90

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Solution

The fourth proportional to 131,437.08, 196,859.16 and 92,169.90 is: 138,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.08 : 196,859.16 = 92,169.90 : x
  2. Step 2: Convert to fraction form
    131,437.08/196,859.16 = 92,169.90/x
  3. Step 3: Cross multiply
    131,437.08x = 196,859.16 × 92,169.90
  4. Step 4: Simplify right side
    131,437.08x = 18,144,489,091.28
  5. Step 5: Solve for x
    x = 18,144,489,091.28/131,437.08
  6. Step 6: Final answer
    x = 138,046.96

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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.