Home / 398,481.11-597,545.67-114,107.21

Finding the Fourth Proportional to 398,481.11, 597,545.67 and 114,107.21

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Solution

The fourth proportional to 398,481.11, 597,545.67 and 114,107.21 is: 171,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,481.11 : 597,545.67 = 114,107.21 : x
  2. Step 2: Convert to fraction form
    398,481.11/597,545.67 = 114,107.21/x
  3. Step 3: Cross multiply
    398,481.11x = 597,545.67 × 114,107.21
  4. Step 4: Simplify right side
    398,481.11x = 68,184,266,263.55
  5. Step 5: Solve for x
    x = 68,184,266,263.55/398,481.11
  6. Step 6: Final answer
    x = 171,110.41

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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.