Home / 140,183.41-193,446.38-79,748.40

Finding the Fourth Proportional to 140,183.41, 193,446.38 and 79,748.40

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Solution

The fourth proportional to 140,183.41, 193,446.38 and 79,748.40 is: 110,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,183.41 : 193,446.38 = 79,748.40 : x
  2. Step 2: Convert to fraction form
    140,183.41/193,446.38 = 79,748.40/x
  3. Step 3: Cross multiply
    140,183.41x = 193,446.38 × 79,748.40
  4. Step 4: Simplify right side
    140,183.41x = 15,427,039,490.16
  5. Step 5: Solve for x
    x = 15,427,039,490.16/140,183.41
  6. Step 6: Final answer
    x = 110,048.97

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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.