Home / 156,857.60-235,286.40-107,091.20

Finding the Fourth Proportional to 156,857.60, 235,286.40 and 107,091.20

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Solution

The fourth proportional to 156,857.60, 235,286.40 and 107,091.20 is: 160,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,857.60 : 235,286.40 = 107,091.20 : x
  2. Step 2: Convert to fraction form
    156,857.60/235,286.40 = 107,091.20/x
  3. Step 3: Cross multiply
    156,857.60x = 235,286.40 × 107,091.20
  4. Step 4: Simplify right side
    156,857.60x = 25,197,102,919.68
  5. Step 5: Solve for x
    x = 25,197,102,919.68/156,857.60
  6. Step 6: Final answer
    x = 160,636.80

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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.