Home / 131,163.82-180,983.50-73,795.18

Finding the Fourth Proportional to 131,163.82, 180,983.50 and 73,795.18

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Solution

The fourth proportional to 131,163.82, 180,983.50 and 73,795.18 is: 101,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,163.82 : 180,983.50 = 73,795.18 : x
  2. Step 2: Convert to fraction form
    131,163.82/180,983.50 = 73,795.18/x
  3. Step 3: Cross multiply
    131,163.82x = 180,983.50 × 73,795.18
  4. Step 4: Simplify right side
    131,163.82x = 13,355,709,959.53
  5. Step 5: Solve for x
    x = 13,355,709,959.53/131,163.82
  6. Step 6: Final answer
    x = 101,824.65

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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.