Home / 397,228.20-595,876.32-112,919.82

Finding the Fourth Proportional to 397,228.20, 595,876.32 and 112,919.82

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Solution

The fourth proportional to 397,228.20, 595,876.32 and 112,919.82 is: 169,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,228.20 : 595,876.32 = 112,919.82 : x
  2. Step 2: Convert to fraction form
    397,228.20/595,876.32 = 112,919.82/x
  3. Step 3: Cross multiply
    397,228.20x = 595,876.32 × 112,919.82
  4. Step 4: Simplify right side
    397,228.20x = 67,286,246,796.66
  5. Step 5: Solve for x
    x = 67,286,246,796.66/397,228.20
  6. Step 6: Final answer
    x = 169,389.40

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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.