Home / 119,910.06-165,475.17-66,198.42

Finding the Fourth Proportional to 119,910.06, 165,475.17 and 66,198.42

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Solution

The fourth proportional to 119,910.06, 165,475.17 and 66,198.42 is: 91,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.06 : 165,475.17 = 66,198.42 : x
  2. Step 2: Convert to fraction form
    119,910.06/165,475.17 = 66,198.42/x
  3. Step 3: Cross multiply
    119,910.06x = 165,475.17 × 66,198.42
  4. Step 4: Simplify right side
    119,910.06x = 10,954,194,803.23
  5. Step 5: Solve for x
    x = 10,954,194,803.23/119,910.06
  6. Step 6: Final answer
    x = 91,353.43

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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.