Home / 397,314.72-596,045.39-131,093.64

Finding the Fourth Proportional to 397,314.72, 596,045.39 and 131,093.64

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Solution

The fourth proportional to 397,314.72, 596,045.39 and 131,093.64 is: 196,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,314.72 : 596,045.39 = 131,093.64 : x
  2. Step 2: Convert to fraction form
    397,314.72/596,045.39 = 131,093.64/x
  3. Step 3: Cross multiply
    397,314.72x = 596,045.39 × 131,093.64
  4. Step 4: Simplify right side
    397,314.72x = 78,137,759,124.85
  5. Step 5: Solve for x
    x = 78,137,759,124.85/397,314.72
  6. Step 6: Final answer
    x = 196,664.65

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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.