Home / 179,544.20-268,992.30-85,843.40

Finding the Fourth Proportional to 179,544.20, 268,992.30 and 85,843.40

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Solution

The fourth proportional to 179,544.20, 268,992.30 and 85,843.40 is: 128,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,544.20 : 268,992.30 = 85,843.40 : x
  2. Step 2: Convert to fraction form
    179,544.20/268,992.30 = 85,843.40/x
  3. Step 3: Cross multiply
    179,544.20x = 268,992.30 × 85,843.40
  4. Step 4: Simplify right side
    179,544.20x = 23,091,213,605.82
  5. Step 5: Solve for x
    x = 23,091,213,605.82/179,544.20
  6. Step 6: Final answer
    x = 128,610.19

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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.