Home / 133,561.28-184,314.62-73,135.76

Finding the Fourth Proportional to 133,561.28, 184,314.62 and 73,135.76

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Solution

The fourth proportional to 133,561.28, 184,314.62 and 73,135.76 is: 100,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,561.28 : 184,314.62 = 73,135.76 : x
  2. Step 2: Convert to fraction form
    133,561.28/184,314.62 = 73,135.76/x
  3. Step 3: Cross multiply
    133,561.28x = 184,314.62 × 73,135.76
  4. Step 4: Simplify right side
    133,561.28x = 13,479,988,525.56
  5. Step 5: Solve for x
    x = 13,479,988,525.56/133,561.28
  6. Step 6: Final answer
    x = 100,927.37

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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.