Home / 238,023.40-356,785.98-80,197.32

Finding the Fourth Proportional to 238,023.40, 356,785.98 and 80,197.32

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Solution

The fourth proportional to 238,023.40, 356,785.98 and 80,197.32 is: 120,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,023.40 : 356,785.98 = 80,197.32 : x
  2. Step 2: Convert to fraction form
    238,023.40/356,785.98 = 80,197.32/x
  3. Step 3: Cross multiply
    238,023.40x = 356,785.98 × 80,197.32
  4. Step 4: Simplify right side
    238,023.40x = 28,613,279,409.57
  5. Step 5: Solve for x
    x = 28,613,279,409.57/238,023.40
  6. Step 6: Final answer
    x = 120,212.04

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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.