Home / 140,713.28-194,184.63-76,183.19

Finding the Fourth Proportional to 140,713.28, 194,184.63 and 76,183.19

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Solution

The fourth proportional to 140,713.28, 194,184.63 and 76,183.19 is: 105,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,713.28 : 194,184.63 = 76,183.19 : x
  2. Step 2: Convert to fraction form
    140,713.28/194,184.63 = 76,183.19/x
  3. Step 3: Cross multiply
    140,713.28x = 194,184.63 × 76,183.19
  4. Step 4: Simplify right side
    140,713.28x = 14,793,603,591.45
  5. Step 5: Solve for x
    x = 14,793,603,591.45/140,713.28
  6. Step 6: Final answer
    x = 105,132.96

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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.