Home / 166,615.89-229,690.76-118,786.20

Finding the Fourth Proportional to 166,615.89, 229,690.76 and 118,786.20

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Solution

The fourth proportional to 166,615.89, 229,690.76 and 118,786.20 is: 163,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,615.89 : 229,690.76 = 118,786.20 : x
  2. Step 2: Convert to fraction form
    166,615.89/229,690.76 = 118,786.20/x
  3. Step 3: Cross multiply
    166,615.89x = 229,690.76 × 118,786.20
  4. Step 4: Simplify right side
    166,615.89x = 27,284,091,961.58
  5. Step 5: Solve for x
    x = 27,284,091,961.58/166,615.89
  6. Step 6: Final answer
    x = 163,754.44

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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.