Home / 166,199.58-229,079.25-117,739.32

Finding the Fourth Proportional to 166,199.58, 229,079.25 and 117,739.32

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Solution

The fourth proportional to 166,199.58, 229,079.25 and 117,739.32 is: 162,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,199.58 : 229,079.25 = 117,739.32 : x
  2. Step 2: Convert to fraction form
    166,199.58/229,079.25 = 117,739.32/x
  3. Step 3: Cross multiply
    166,199.58x = 229,079.25 × 117,739.32
  4. Step 4: Simplify right side
    166,199.58x = 26,971,635,121.11
  5. Step 5: Solve for x
    x = 26,971,635,121.11/166,199.58
  6. Step 6: Final answer
    x = 162,284.62

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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.