Home / 132,727.82-183,161.64-72,299.54

Finding the Fourth Proportional to 132,727.82, 183,161.64 and 72,299.54

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Solution

The fourth proportional to 132,727.82, 183,161.64 and 72,299.54 is: 99,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,727.82 : 183,161.64 = 72,299.54 : x
  2. Step 2: Convert to fraction form
    132,727.82/183,161.64 = 72,299.54/x
  3. Step 3: Cross multiply
    132,727.82x = 183,161.64 × 72,299.54
  4. Step 4: Simplify right side
    132,727.82x = 13,242,502,317.65
  5. Step 5: Solve for x
    x = 13,242,502,317.65/132,727.82
  6. Step 6: Final answer
    x = 99,771.87

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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.