Home / 133,542.08-184,288.10-73,116.56

Finding the Fourth Proportional to 133,542.08, 184,288.10 and 73,116.56

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Solution

The fourth proportional to 133,542.08, 184,288.10 and 73,116.56 is: 100,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,542.08 : 184,288.10 = 73,116.56 : x
  2. Step 2: Convert to fraction form
    133,542.08/184,288.10 = 73,116.56/x
  3. Step 3: Cross multiply
    133,542.08x = 184,288.10 × 73,116.56
  4. Step 4: Simplify right side
    133,542.08x = 13,474,511,920.94
  5. Step 5: Solve for x
    x = 13,474,511,920.94/133,542.08
  6. Step 6: Final answer
    x = 100,900.87

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1.5x scale

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.