Home / 136,917.66-205,399.85-61,043.73

Finding the Fourth Proportional to 136,917.66, 205,399.85 and 61,043.73

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Solution

The fourth proportional to 136,917.66, 205,399.85 and 61,043.73 is: 91,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,917.66 : 205,399.85 = 61,043.73 : x
  2. Step 2: Convert to fraction form
    136,917.66/205,399.85 = 61,043.73/x
  3. Step 3: Cross multiply
    136,917.66x = 205,399.85 × 61,043.73
  4. Step 4: Simplify right side
    136,917.66x = 12,538,372,680.22
  5. Step 5: Solve for x
    x = 12,538,372,680.22/136,917.66
  6. Step 6: Final answer
    x = 91,576.01

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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.