Home / 166,455.73-229,710.59-89,976.31

Finding the Fourth Proportional to 166,455.73, 229,710.59 and 89,976.31

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Solution

The fourth proportional to 166,455.73, 229,710.59 and 89,976.31 is: 124,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.73 : 229,710.59 = 89,976.31 : x
  2. Step 2: Convert to fraction form
    166,455.73/229,710.59 = 89,976.31/x
  3. Step 3: Cross multiply
    166,455.73x = 229,710.59 × 89,976.31
  4. Step 4: Simplify right side
    166,455.73x = 20,668,510,231.96
  5. Step 5: Solve for x
    x = 20,668,510,231.96/166,455.73
  6. Step 6: Final answer
    x = 124,168.21

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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.