Home / 131,773.41-181,845.14-71,343.57

Finding the Fourth Proportional to 131,773.41, 181,845.14 and 71,343.57

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Solution

The fourth proportional to 131,773.41, 181,845.14 and 71,343.57 is: 98,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,773.41 : 181,845.14 = 71,343.57 : x
  2. Step 2: Convert to fraction form
    131,773.41/181,845.14 = 71,343.57/x
  3. Step 3: Cross multiply
    131,773.41x = 181,845.14 × 71,343.57
  4. Step 4: Simplify right side
    131,773.41x = 12,973,481,118.03
  5. Step 5: Solve for x
    x = 12,973,481,118.03/131,773.41
  6. Step 6: Final answer
    x = 98,452.95

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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.