Home / 185,546.64-278,319.24-67,190.30

Finding the Fourth Proportional to 185,546.64, 278,319.24 and 67,190.30

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Solution

The fourth proportional to 185,546.64, 278,319.24 and 67,190.30 is: 100,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,546.64 : 278,319.24 = 67,190.30 : x
  2. Step 2: Convert to fraction form
    185,546.64/278,319.24 = 67,190.30/x
  3. Step 3: Cross multiply
    185,546.64x = 278,319.24 × 67,190.30
  4. Step 4: Simplify right side
    185,546.64x = 18,700,353,231.37
  5. Step 5: Solve for x
    x = 18,700,353,231.37/185,546.64
  6. Step 6: Final answer
    x = 100,785.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.