Home / 140,715.54-194,169.42-80,282.70

Finding the Fourth Proportional to 140,715.54, 194,169.42 and 80,282.70

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Solution

The fourth proportional to 140,715.54, 194,169.42 and 80,282.70 is: 110,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,715.54 : 194,169.42 = 80,282.70 : x
  2. Step 2: Convert to fraction form
    140,715.54/194,169.42 = 80,282.70/x
  3. Step 3: Cross multiply
    140,715.54x = 194,169.42 × 80,282.70
  4. Step 4: Simplify right side
    140,715.54x = 15,588,445,295.03
  5. Step 5: Solve for x
    x = 15,588,445,295.03/140,715.54
  6. Step 6: Final answer
    x = 110,779.84

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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.