Home / 166,605.47-229,676.41-118,775.78

Finding the Fourth Proportional to 166,605.47, 229,676.41 and 118,775.78

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Solution

The fourth proportional to 166,605.47, 229,676.41 and 118,775.78 is: 163,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,605.47 : 229,676.41 = 118,775.78 : x
  2. Step 2: Convert to fraction form
    166,605.47/229,676.41 = 118,775.78/x
  3. Step 3: Cross multiply
    166,605.47x = 229,676.41 × 118,775.78
  4. Step 4: Simplify right side
    166,605.47x = 27,279,994,606.72
  5. Step 5: Solve for x
    x = 27,279,994,606.72/166,605.47
  6. Step 6: Final answer
    x = 163,740.09

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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.