Home / 166,309.71-229,507.35-89,828.73

Finding the Fourth Proportional to 166,309.71, 229,507.35 and 89,828.73

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Solution

The fourth proportional to 166,309.71, 229,507.35 and 89,828.73 is: 123,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,309.71 : 229,507.35 = 89,828.73 : x
  2. Step 2: Convert to fraction form
    166,309.71/229,507.35 = 89,828.73/x
  3. Step 3: Cross multiply
    166,309.71x = 229,507.35 × 89,828.73
  4. Step 4: Simplify right side
    166,309.71x = 20,616,353,776.17
  5. Step 5: Solve for x
    x = 20,616,353,776.17/166,309.71
  6. Step 6: Final answer
    x = 123,963.62

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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.