Home / 188,964.68-260,761.41-117,343.16

Finding the Fourth Proportional to 188,964.68, 260,761.41 and 117,343.16

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Solution

The fourth proportional to 188,964.68, 260,761.41 and 117,343.16 is: 161,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964.68 : 260,761.41 = 117,343.16 : x
  2. Step 2: Convert to fraction form
    188,964.68/260,761.41 = 117,343.16/x
  3. Step 3: Cross multiply
    188,964.68x = 260,761.41 × 117,343.16
  4. Step 4: Simplify right side
    188,964.68x = 30,598,567,855.46
  5. Step 5: Solve for x
    x = 30,598,567,855.46/188,964.68
  6. Step 6: Final answer
    x = 161,927.45

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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.