Home / 140,616.20-194,020.35-83,273.54

Finding the Fourth Proportional to 140,616.20, 194,020.35 and 83,273.54

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Solution

The fourth proportional to 140,616.20, 194,020.35 and 83,273.54 is: 114,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,616.20 : 194,020.35 = 83,273.54 : x
  2. Step 2: Convert to fraction form
    140,616.20/194,020.35 = 83,273.54/x
  3. Step 3: Cross multiply
    140,616.20x = 194,020.35 × 83,273.54
  4. Step 4: Simplify right side
    140,616.20x = 16,156,761,376.54
  5. Step 5: Solve for x
    x = 16,156,761,376.54/140,616.20
  6. Step 6: Final answer
    x = 114,899.72

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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.