Home / 299,126.32-412,795.62-163,163.18

Finding the Fourth Proportional to 299,126.32, 412,795.62 and 163,163.18

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Solution

The fourth proportional to 299,126.32, 412,795.62 and 163,163.18 is: 225,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,126.32 : 412,795.62 = 163,163.18 : x
  2. Step 2: Convert to fraction form
    299,126.32/412,795.62 = 163,163.18/x
  3. Step 3: Cross multiply
    299,126.32x = 412,795.62 × 163,163.18
  4. Step 4: Simplify right side
    299,126.32x = 67,353,046,049.27
  5. Step 5: Solve for x
    x = 67,353,046,049.27/299,126.32
  6. Step 6: Final answer
    x = 225,165.90

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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.