Home / 117,233.64-161,772.57-66,250.80

Finding the Fourth Proportional to 117,233.64, 161,772.57 and 66,250.80

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Solution

The fourth proportional to 117,233.64, 161,772.57 and 66,250.80 is: 91,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233.64 : 161,772.57 = 66,250.80 : x
  2. Step 2: Convert to fraction form
    117,233.64/161,772.57 = 66,250.80/x
  3. Step 3: Cross multiply
    117,233.64x = 161,772.57 × 66,250.80
  4. Step 4: Simplify right side
    117,233.64x = 10,717,562,180.56
  5. Step 5: Solve for x
    x = 10,717,562,180.56/117,233.64
  6. Step 6: Final answer
    x = 91,420.54

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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.