Home / 199,268.12-298,990.20-104,475.62

Finding the Fourth Proportional to 199,268.12, 298,990.20 and 104,475.62

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Solution

The fourth proportional to 199,268.12, 298,990.20 and 104,475.62 is: 156,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,268.12 : 298,990.20 = 104,475.62 : x
  2. Step 2: Convert to fraction form
    199,268.12/298,990.20 = 104,475.62/x
  3. Step 3: Cross multiply
    199,268.12x = 298,990.20 × 104,475.62
  4. Step 4: Simplify right side
    199,268.12x = 31,237,186,518.92
  5. Step 5: Solve for x
    x = 31,237,186,518.92/199,268.12
  6. Step 6: Final answer
    x = 156,759.58

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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.