Home / 131,299.76-181,131.72-95,474

Finding the Fourth Proportional to 131,299.76, 181,131.72 and 95,474

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Solution

The fourth proportional to 131,299.76, 181,131.72 and 95,474 is: 131,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,299.76 : 181,131.72 = 95,474 : x
  2. Step 2: Convert to fraction form
    131,299.76/181,131.72 = 95,474/x
  3. Step 3: Cross multiply
    131,299.76x = 181,131.72 × 95,474
  4. Step 4: Simplify right side
    131,299.76x = 17,293,369,835.28
  5. Step 5: Solve for x
    x = 17,293,369,835.28/131,299.76
  6. Step 6: Final answer
    x = 131,709.07

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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.