Home / 166,349.89-229,563.44-90,898.39

Finding the Fourth Proportional to 166,349.89, 229,563.44 and 90,898.39

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Solution

The fourth proportional to 166,349.89, 229,563.44 and 90,898.39 is: 125,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,349.89 : 229,563.44 = 90,898.39 : x
  2. Step 2: Convert to fraction form
    166,349.89/229,563.44 = 90,898.39/x
  3. Step 3: Cross multiply
    166,349.89x = 229,563.44 × 90,898.39
  4. Step 4: Simplify right side
    166,349.89x = 20,866,947,098.86
  5. Step 5: Solve for x
    x = 20,866,947,098.86/166,349.89
  6. Step 6: Final answer
    x = 125,440.10

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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.