Home / 131,596.76-181,438.94-109,824.38

Finding the Fourth Proportional to 131,596.76, 181,438.94 and 109,824.38

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Solution

The fourth proportional to 131,596.76, 181,438.94 and 109,824.38 is: 151,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596.76 : 181,438.94 = 109,824.38 : x
  2. Step 2: Convert to fraction form
    131,596.76/181,438.94 = 109,824.38/x
  3. Step 3: Cross multiply
    131,596.76x = 181,438.94 × 109,824.38
  4. Step 4: Simplify right side
    131,596.76x = 19,926,419,093.36
  5. Step 5: Solve for x
    x = 19,926,419,093.36/131,596.76
  6. Step 6: Final answer
    x = 151,420.29

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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.