Home / 147,168.96-203,092.32-80,099.52

Finding the Fourth Proportional to 147,168.96, 203,092.32 and 80,099.52

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Solution

The fourth proportional to 147,168.96, 203,092.32 and 80,099.52 is: 110,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,168.96 : 203,092.32 = 80,099.52 : x
  2. Step 2: Convert to fraction form
    147,168.96/203,092.32 = 80,099.52/x
  3. Step 3: Cross multiply
    147,168.96x = 203,092.32 × 80,099.52
  4. Step 4: Simplify right side
    147,168.96x = 16,267,597,347.69
  5. Step 5: Solve for x
    x = 16,267,597,347.69/147,168.96
  6. Step 6: Final answer
    x = 110,536.88

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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.