Home / 131,974.41-181,923.14-80,892.47

Finding the Fourth Proportional to 131,974.41, 181,923.14 and 80,892.47

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Solution

The fourth proportional to 131,974.41, 181,923.14 and 80,892.47 is: 111,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,974.41 : 181,923.14 = 80,892.47 : x
  2. Step 2: Convert to fraction form
    131,974.41/181,923.14 = 80,892.47/x
  3. Step 3: Cross multiply
    131,974.41x = 181,923.14 × 80,892.47
  4. Step 4: Simplify right side
    131,974.41x = 14,716,210,830.68
  5. Step 5: Solve for x
    x = 14,716,210,830.68/131,974.41
  6. Step 6: Final answer
    x = 111,508.06

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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.