Home / 133,445.64-200,140.80-49,183.98

Finding the Fourth Proportional to 133,445.64, 200,140.80 and 49,183.98

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Solution

The fourth proportional to 133,445.64, 200,140.80 and 49,183.98 is: 73,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,445.64 : 200,140.80 = 49,183.98 : x
  2. Step 2: Convert to fraction form
    133,445.64/200,140.80 = 49,183.98/x
  3. Step 3: Cross multiply
    133,445.64x = 200,140.80 × 49,183.98
  4. Step 4: Simplify right side
    133,445.64x = 9,843,721,104.38
  5. Step 5: Solve for x
    x = 9,843,721,104.38/133,445.64
  6. Step 6: Final answer
    x = 73,765.78

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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.