Home / 230,861.64-318,501.38-140,183.22

Finding the Fourth Proportional to 230,861.64, 318,501.38 and 140,183.22

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Solution

The fourth proportional to 230,861.64, 318,501.38 and 140,183.22 is: 193,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,861.64 : 318,501.38 = 140,183.22 : x
  2. Step 2: Convert to fraction form
    230,861.64/318,501.38 = 140,183.22/x
  3. Step 3: Cross multiply
    230,861.64x = 318,501.38 × 140,183.22
  4. Step 4: Simplify right side
    230,861.64x = 44,648,549,022.84
  5. Step 5: Solve for x
    x = 44,648,549,022.84/230,861.64
  6. Step 6: Final answer
    x = 193,399.60

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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.