Home / 166,621.31-229,698.23-118,791.62

Finding the Fourth Proportional to 166,621.31, 229,698.23 and 118,791.62

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Solution

The fourth proportional to 166,621.31, 229,698.23 and 118,791.62 is: 163,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,621.31 : 229,698.23 = 118,791.62 : x
  2. Step 2: Convert to fraction form
    166,621.31/229,698.23 = 118,791.62/x
  3. Step 3: Cross multiply
    166,621.31x = 229,698.23 × 118,791.62
  4. Step 4: Simplify right side
    166,621.31x = 27,286,223,110.38
  5. Step 5: Solve for x
    x = 27,286,223,110.38/166,621.31
  6. Step 6: Final answer
    x = 163,761.91

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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.