Home / 264,760.90-397,338.23-106,990.72

Finding the Fourth Proportional to 264,760.90, 397,338.23 and 106,990.72

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Solution

The fourth proportional to 264,760.90, 397,338.23 and 106,990.72 is: 160,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,760.90 : 397,338.23 = 106,990.72 : x
  2. Step 2: Convert to fraction form
    264,760.90/397,338.23 = 106,990.72/x
  3. Step 3: Cross multiply
    264,760.90x = 397,338.23 × 106,990.72
  4. Step 4: Simplify right side
    264,760.90x = 42,511,503,311.23
  5. Step 5: Solve for x
    x = 42,511,503,311.23/264,760.90
  6. Step 6: Final answer
    x = 160,565.64

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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.