Home / 119,450.56-164,773.20-74,660.80

Finding the Fourth Proportional to 119,450.56, 164,773.20 and 74,660.80

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Solution

The fourth proportional to 119,450.56, 164,773.20 and 74,660.80 is: 102,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,450.56 : 164,773.20 = 74,660.80 : x
  2. Step 2: Convert to fraction form
    119,450.56/164,773.20 = 74,660.80/x
  3. Step 3: Cross multiply
    119,450.56x = 164,773.20 × 74,660.80
  4. Step 4: Simplify right side
    119,450.56x = 12,302,098,930.56
  5. Step 5: Solve for x
    x = 12,302,098,930.56/119,450.56
  6. Step 6: Final answer
    x = 102,989.04

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1.5x scale

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.