Home / 166,949.10-230,389.31-90,470.32

Finding the Fourth Proportional to 166,949.10, 230,389.31 and 90,470.32

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Solution

The fourth proportional to 166,949.10, 230,389.31 and 90,470.32 is: 124,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,949.10 : 230,389.31 = 90,470.32 : x
  2. Step 2: Convert to fraction form
    166,949.10/230,389.31 = 90,470.32/x
  3. Step 3: Cross multiply
    166,949.10x = 230,389.31 × 90,470.32
  4. Step 4: Simplify right side
    166,949.10x = 20,843,394,250.48
  5. Step 5: Solve for x
    x = 20,843,394,250.48/166,949.10
  6. Step 6: Final answer
    x = 124,848.80

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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.