Home / 119,380.64-179,091.36-49,221.60

Finding the Fourth Proportional to 119,380.64, 179,091.36 and 49,221.60

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Solution

The fourth proportional to 119,380.64, 179,091.36 and 49,221.60 is: 73,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,380.64 : 179,091.36 = 49,221.60 : x
  2. Step 2: Convert to fraction form
    119,380.64/179,091.36 = 49,221.60/x
  3. Step 3: Cross multiply
    119,380.64x = 179,091.36 × 49,221.60
  4. Step 4: Simplify right side
    119,380.64x = 8,815,163,285.38
  5. Step 5: Solve for x
    x = 8,815,163,285.38/119,380.64
  6. Step 6: Final answer
    x = 73,840.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.